Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5415564 | Junction box for quick release mounting of electrical circuit components | Craig Winter, Robert J. M. Curmpton | 1995-05-16 |
| 5275196 | Pressure relief valve for tire rim | Hugh A. Mitchell | 1994-01-04 |
| 5054121 | Athletic pad | — | 1991-10-08 |
| 4919037 | Clipboard ballistic shield | — | 1990-04-24 |
| D304258 | Football jersey | James Dennis Gardner | 1989-10-31 |
| 4868925 | Football shoulder pads with accordian-hinge flap | — | 1989-09-26 |
| 4850056 | Athletic pants | James Dennis Gardner, Paul F. Stickley, Alvin E. Taylor, Edward J. Wilson | 1989-07-25 |
| 4844460 | Method of fabricating a ball-striking implement | Roger J. Lueckenhoff | 1989-07-04 |
| 4715066 | Shoulder pad | Donald R. Walker | 1987-12-29 |
| 4698849 | Football jersey | James Dennis Gardner | 1987-10-13 |
| 4680814 | Shoulder pad spring arch system | Donald R. Walker | 1987-07-21 |
| 4679253 | Shoulder pad truss arch system | Donald R. Walker | 1987-07-14 |
| 4627114 | Shock attenuation structure | — | 1986-12-09 |
| 4558470 | Shock attenuation system | Richard Glover, Donald R. Walker, Isadore Rosenberg | 1985-12-17 |
| 4534068 | Shock attenuation system | Richard Glover, Donald R. Walker, Isadore Rosenberg | 1985-08-13 |
| 4484364 | Shock attenuation system for headgear | David C. Rust | 1984-11-27 |
| 4435851 | Flap hinge for a shoulder pad | Donald R. Walker | 1984-03-13 |
| 4423524 | Suspension system for headgear | Douglas R. Kralik | 1984-01-03 |
| 4407021 | Suspension system for headgear | Douglas R. Kralik | 1983-10-04 |
| 4322859 | Shoulder pad | — | 1982-04-06 |
| 4320537 | Shoulder pad | — | 1982-03-23 |
| 4295227 | Shoulder pad | — | 1981-10-20 |