Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303511 | Exercise device | — | 2007-12-04 |
| 5746681 | Walking exercise machine | — | 1998-05-05 |
| 5503609 | Exercising apparatus | — | 1996-04-02 |
| 5054770 | Shock-free aerobic and anaerobic exercising machine for use in the standing position | — | 1991-10-08 |
| D319855 | Physical exerciser | — | 1991-09-10 |
| 5013031 | Exercise apparatus | — | 1991-05-07 |
| D314597 | Low impact stair climbing exercise apparatus | Timothy O. Armstrong, David Smith | 1991-02-12 |
| 4940233 | Aerobic conditioning apparatus | Ian J. Fettes, Harry Purcell | 1990-07-10 |
| 4934690 | Shock-free aerobic and anaerobic exercising machine for use in the standing position | — | 1990-06-19 |
| D304358 | Stair climbing exercise apparatus | Timothy O. Armstrong, David Smith | 1989-10-31 |
| D302451 | Stair climbing exercise apparatus | David Smith | 1989-07-25 |
| 4838543 | Low impact exercise equipment | Timothy O. Armstrong | 1989-06-13 |
| 4830362 | Full body, shock-free aerobic and anaerobic exercising machine for use in the standing position | — | 1989-05-16 |
| 4523308 | Telephone concentrator switch arrangement | Leon Croft, David B. DeVaney, Russell R. Davis, David L. Hinshaw, Haresh Jotwani +6 more | 1985-06-11 |