Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873804 | Drywall frame compression anchor assembly and frame | — | 1989-10-17 |
| 4357993 | Elevator cab construction | Ernst Halpern, Morris Kline, Waldemar Guslawski | 1982-11-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873804 | Drywall frame compression anchor assembly and frame | — | 1989-10-17 |
| 4357993 | Elevator cab construction | Ernst Halpern, Morris Kline, Waldemar Guslawski | 1982-11-09 |