Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6155004 | Plastic workpiece and sheet thereof | Levitt D. Earhart, Joseph S. Suiter, deceased | 2000-12-05 |
| 5953862 | Plastic workpiece and sheet thereof | Levitt D. Earhart, Joseph S. Suiter, deceased | 1999-09-21 |
| 5673734 | Sand scoop | — | 1997-10-07 |
| 4566297 | Electrical plug locking device | — | 1986-01-28 |