Issued Patents 1982
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353231 | Friction drive-snap inner fit tumbler wheel construction | — | 1982-10-12 |
| 4342207 | Safe relock mechanism | Daniel Holmes | 1982-08-03 |
| 4339125 | Single column exercising apparatus | Parker E. Mahnke | 1982-07-13 |
| D263868 | Water sprinkler base | Ho Chow | 1982-04-13 |
| 4317566 | Single column exercising apparatus | Parker E. Mahnke | 1982-03-02 |
| D263069 | Sprinkler control valve | Ho Chow | 1982-02-16 |
| 4312199 | Combination lock tumbler wheel construction | — | 1982-01-26 |