Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5163780 | Method of modifying the soil permeability for septic systems | — | 1992-11-17 |
| 4733477 | Chalk line framing square | George Spector | 1988-03-29 |
| 4467712 | Wood baler | — | 1984-08-28 |