Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303695 | Skiing exerciser or similar article | David Smith, Larry J. Graf | 1989-09-26 |
| D300046 | Exercise bicycle | Timothy O. Armstrong, David Smith | 1989-02-28 |
| D299369 | Skiing exerciser or similar article | David Smith, Larry J. Graf | 1989-01-10 |