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Evan D Gibbs, Ronald K Hettinger, Luke R Williams, Alan Hocknell, Matthew T Cackett: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, January 16, 2007: US07163468 (225 worldwide citation)

A golf club head (42) having a standard deviation of coefficient of restitution of less than 0.226 is disclosed herein. The golf club head (42) also preferably has a delta of the coefficient of restitution between a geometric face center of the face (72) and a location (806) 0.5 inch sole-ward from ...


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Luke R Williams, Larry G Tang, Daniel M Stevens, Ronald K Hettinger, Michael Hallack, Evan D Gibbs, Alan Hocknell, Matthew T Cackett: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, January 23, 2007: US07166038 (186 worldwide citation)

A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a moment of inertia about the Izz axis through the center o ...


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Daniel M Stevens, Luke R Williams, Larry G Tang, Ronald K Hettinger, Michael Hallack, Evan D Gibbs, Alan Hocknell, Matthew T Cackett: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, January 30, 2007: US07169060 (138 worldwide citation)

A golf club head (42) having more than 50% of a volume forward of a center of gravity and more than 50% of a mass rearward of the center of gravity is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42 ...


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Evan D Gibbs, Ronald K Hettinger, Luke R Williams: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, October 9, 2007: US07278927 (93 worldwide citation)

A golf club head (42) having a delta of the coefficient of restitution between a geometric face center of the face (72) and a location (806) 0.5 inch sole-ward from the face center that is less than 0.065. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubi ...


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Evan D Gibbs, Ronald K Hettinger, Luke R Williams: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, September 22, 2009: US07591737 (83 worldwide citation)

A golf club head (42) having a delta of the coefficient of restitution between a geometric face center of the face (72) and a location (806) 0.5 inch sole-ward from the face center that is less than 0.065. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubi ...


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Luke R Williams, Larry G Tang, Daniel M Stevens, Ronald K Hettinger, Michael Hallack, Evan D Gibbs, Matthew T Cackett, Alan Hocknell: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, January 13, 2009: US07476161 (79 worldwide citation)

A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a moment of inertia about the Izz axis through the center o ...


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Luke R Williams: Golf club head with gasket. Callaway Golf Company, Michael A Catania, Elaine H Lo, November 15, 2005: US06964617 (76 worldwide citation)

A golf club (40) having a club head (42) with a face component (60), an aft body (61) and a gasket (300) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is preferably composed of a crown portion (62), a sole portion (64) and ...


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Luke R Williams, Larry G Tang, Daniel M Stevens, Ronald K Hettinger, Michael Hallack, Evan D Gibbs, Alan Hocknell, Matthew T Cackett: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, December 11, 2007: US07306527 (65 worldwide citation)

A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a moment of inertia about the Izz axis through the center o ...


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