Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273508 | Method and apparatus for exercising muscles of the upper legs and lower torso | — | 1993-12-28 |
| 5256125 | Biceps curl machine | — | 1993-10-26 |
| 5178597 | Method of testing and/or exercising the cervical muscles of the human body | — | 1993-01-12 |
| 5171200 | Method and apparatus for exercising the lumbar muscles | — | 1992-12-15 |
| 5149313 | Method for exercising and/or testing muscles of the lower trunk | — | 1992-09-22 |
| 5135452 | Apparatus for testing and/or exercising muscles of the human body | — | 1992-08-04 |
| 5118098 | Method for testing and/or exercising the rotary neck muscles of the human body | — | 1992-06-02 |
| 5112286 | Method of testing and/or exercising the cervical muscles of the human body | — | 1992-05-12 |
| 5104364 | Method for exercising or testing rotary torso muscles | — | 1992-04-14 |
| 5092590 | Method for exercising and/or testing muscles of the lower trunk | — | 1992-03-03 |
| 5092585 | Apparatus for testing and/or exercising the cervical muscles of the human body | — | 1992-03-03 |
| 5092584 | Apparatus for testing and/or exercising the rotary neck muscles of the human body | — | 1992-03-03 |
| 5088727 | Apparatus for exercising or testing rotary torso muscles | — | 1992-02-18 |
| 5007634 | Method and apparatus for restraining the legs and pelvis for exercising and/or testing the lower trunk of the human body | — | 1991-04-16 |
| 5005830 | Machine for exercising and/or testing muscles of the lower trunk | — | 1991-04-09 |
| 5004230 | Method and apparatus for exercising or testing rotary torso muscles | — | 1991-04-02 |
| 5002269 | Apparatus for testing and/or exercising the cervical muscles of the human body | — | 1991-03-26 |
| 4989859 | Method for testing and/or exercising the rotary neck muscles of the human body | — | 1991-02-05 |
| 4902009 | Machine for exercising and/or testing muscles of the lower trunk, and method | — | 1990-02-20 |
| 4902008 | Method and apparatus for testing or exercising muscles of the lower trunk of the human body | — | 1990-02-20 |
| 4858919 | Apparatus for testing or exercising muscles of the lower trunk of the human body | — | 1989-08-22 |
| 4836536 | Apparatus for exercising muscles of the lower trunk of the human body | — | 1989-06-06 |
| 4834365 | Compound weight system | — | 1989-05-30 |
| 4666152 | Lower back exercising machine | — | 1987-05-19 |
| 4600196 | Exercising machine with variable resistance | — | 1986-07-15 |