1
Alan Hocknell, Matthew T Cackett, Denver Holt, D Clayton Evans, Daniel M Stevens, James C Wenck: Golf club with interchangeable head-shaft connection. Callaway Golf Company, Michael A Catania, Elaine H Lo, November 27, 2007: US07300359 (123 worldwide citation)

A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and ...


2
Denver Holt, Matthew T Cackett, Alan Hocknell, J Neil Hall: Iron-type golf club with interchangeable head-shaft connection. Callaway Golf Company, Michael A Catania, Elaine H Lo, February 5, 2008: US07326126 (110 worldwide citation)

An iron-type golf club (320) having an iron-type club head (322) with an interchangeable shaft (40) is disclosed herein. The golf club (320) includes a tube (344) mounted in the hosel (331) of the club head (322), and a sleeve (346) mounted on a tip end (50) of the shaft (40). The tube (344) include ...


3
Alan Hocknell, Matthew T Cackett, Denver Holt, D Clayton Evans, Daniel M Stevens, James C Wenck: Golf club with interchangeable head-shaft connection. Callaway Golf Company, Michael A Catania, Elaine H Lo, February 26, 2008: US07335113 (107 worldwide citation)

A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and ...


4
Alan Hocknell, Matthew T Cackett, Denver Holt, D Clayton Evans, Daniel M Stevens, James C Wenck: Golf club with interchangeable head-shaft connection. Callaway Golf Company, Michael A Catania, Elaine H Lo, March 18, 2008: US07344449 (101 worldwide citation)

A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and ...


5
Alan Hocknell, Matthew T Cackett, Denver Holt, D Clayton Evans, Daniel M Stevens, James C Wenck: Interchangeable shaft for a golf club. Callaway Golf Company, Michael A Catania, Elaine H Lo, January 13, 2009: US07476160 (66 worldwide citation)

A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and ...


6
Alan Hocknell, Matthew T Cackett, Denver Holt: Golf club with interchangeable head-shaft connection. Callaway Golf Company, Michael A Catania, Elaine H Lo, September 23, 2008: US07427239 (54 worldwide citation)

A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (144) mounted in the club head (22), and a sleeve (146) mounted on a tip end (50) of the shaft (40). An exterior bottom end of the sleeve (146) has a castellated surfac ...


7
Alan Hocknell, Matthew T Cackett, Denver Holt: Interchangeable shaft for a golf club. Callaway Golf Company, Michael A Catania, Elaine H Lo, December 16, 2008: US07465239 (44 worldwide citation)

A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (144) mounted in the club head (22), and a sleeve (146) mounted on a tip end (50) of the shaft (40). An exterior bottom end of the sleeve (146) has a castellated surfac ...


8
Denver Holt, Matthew T Cackett, Alan Hocknell, J Neil Hall: Iron-type golf club with interchangeable head-shaft connection. Callaway Golf Company, Michael A Catania, Elaine H Lo, May 12, 2009: US07530900 (42 worldwide citation)

An iron-type golf club (320) having an iron-type club head (322) with an interchangeable shaft (40) is disclosed herein. The golf club (320) includes a tube (344) mounted in the hosel (331) of the club head (322), and a sleeve (346) mounted on a tip end (50) of the shaft (40). The tube (344) include ...


9
Denver Holt: Iron-type golf club head with rear cavity with undercut. Callaway Golf Company, Michael A Catania, Rebecca Hanovice, Sonia Lari, October 9, 2012: US08282506 (39 worldwide citation)

An iron-type golf club head having a rear cavity with an undercut portion is disclosed herein. The undercut portion is present in less than 360 degrees of the rear cavity. Further, the undercut portion is preferably discontinuous. Further, the under portion preferably has sharp angles at segments of ...


10
Alan Hocknell, Matthew T Cackett, Denver Holt, D Clayton Evans, Daniel M Stevens, James C Wenck, Steven S Ogg, Konrad Lenhof, Jerry V Blanke, Joel B Erickson: Method for fitting golf clubs to a golfer. Callaway Golf Company, Michael A Catania, Elaine H Lo, April 8, 2008: US07354353 (38 worldwide citation)

A method (500) for fitting a golf club to a golfer is disclosed herein. The method includes having a golfer hit a test golf club. If the test golf club is preferred, a final golf club is formed that matches the test golf club. Preferably, the final golf club matches the following parameters of the t ...