Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6030180 | Apparatus for generating water currents in swimming pools or the like | Robert Joseph Lettini | 2000-02-29 |
| 4395170 | Drill, drill chuck, and methods of chucking and unchucking | — | 1983-07-26 |