Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220996 | Apparatus for isolating and exercising the abdominal muscles | — | 2001-04-24 |
| 5382212 | Constant force load for an exercising apparatus | Bruce Davenport | 1995-01-17 |
| 5152733 | Exercise testing and training apparatus | Douglas William Farenholtz, Matthew A. Bowers, Ian W. Isbister | 1992-10-06 |
| 5142944 | Back exercise apparatus | David C. Short | 1992-09-01 |
| 5070863 | Back exercise apparatus | David C. Short | 1991-12-10 |
| 4819282 | Tilting mechanism for use with infant bassinette | Herbert Walter Bentz | 1989-04-11 |
| 4792255 | Coupling assembly | Steven E. Hodge | 1988-12-20 |
| 4637607 | Drive unit for exercising apparatus | — | 1987-01-20 |