1
Edward C Frederick: Device for determining the speed, distance traversed, elapsed time and calories expended by a person while running. Nike, Banner Birch McKie & Beckett, March 25, 1986: US04578769 (297 worldwide citation)

A device for measuring the speed of a person while running along a surface is disclosed. A pressure switch or transducer located in a shoe senses when a foot of the runner is in contact with the surface and produces a foot contact signal having a duration proportional to the time the foot is in cont ...


2
Thomas Derderian, Edward C Frederick, Alexander L Gross: Shock absorbing sole layer. Nike, Banner Birch McKie & Beckett, August 20, 1985: US04535553 (191 worldwide citation)

A shock absorbing sole member used in an athletic shoe having an upper and a sole is disclosed. The shock absorbing sole member is comprised of an insert member and elastomeric foam encasing the insert member. The insert member is formed of resilient plastic material and includes a plurality of tran ...


3
Edward C Frederick, John R Robinson: Sole with V-oriented flex grooves. Nike, Banner Birch McKie & Beckett, January 7, 1986: US04562651 (161 worldwide citation)

An improved sole for use with footwear is disclosed. The sole includes at least one layer of material which is adapted to be attached to an upper of the footwear. A distal flex groove is formed in the sole and is coextensive with a medial metatarsal-phalanges line which extends between the first and ...


4
Edward C Frederick, Joseph J Murphy, James T Gorman, Steven J Burris: Athletic shoe with heel stabilizer. BRS, Schuyler Banner Birch McKie & Beckett, October 19, 1982: US04354318 (70 worldwide citation)

An athletic shoe (10) having an upper (12) and a sole (14) is disclosed. The sole (14) includes an intermediate sole layer (16) of a resilient cushioning material. A bead (46) is disposed about the perimeter of the shoe in the heel spring section to enhance the heel stability.


5
Lenny M Holden, William R Peterson, David D Chase, Edward C Frederick: Footwear with enhanced impact protection. Pierre Andre Senizergues, Don C Lawrence, MacPherson Kwok Chen & Heid, April 4, 2006: US07020988 (41 worldwide citation)

Footwear providing enhanced protection against extreme landing impacts includes a sole having an elastomeric mid-sole with elastomeric pads combined in a heel recess thereof such that the pads act in series with each other and in parallel with the mid-sole during conjoint compression thereof. At lea ...


6
Lenny M Holden, William R Peterson, David D Chase, Edward C Frederick: Footwear with enhanced impact protection. Pierre Andre Senizergues, Don C Lawrence, MacPherson Kwok Chen & Heid, October 9, 2007: US07278226 (22 worldwide citation)

Footwear providing enhanced protection against extreme landing impacts includes a sole having an elastomeric mid-sole with elastomeric pads combined in a heel recess thereof such that the pads act in series with each other and in parallel with the mid-sole during conjoint compression thereof. At lea ...


7
Lenny M Holden, William R Peterson, David D Chase, Edward C Frederick: Footwear with enhanced impact protection. Stetina Brunda Garred & Brucker, November 16, 2010: US07832118 (13 worldwide citation)

Footwear providing enhanced protection against extreme landing impacts includes a sole having an elastomeric mid-sole with elastomeric pads combined in a heel recess thereof such that the pads act in series with each other and in parallel with the mid-sole during conjoint compression thereof. At lea ...


8

9

10