Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143337 | Food server device | Max J. Tomayko, Jr. | 1992-09-01 |
| D314500 | Handle for a hand tool | — | 1991-02-12 |
| 4848073 | Lawn rake | William E. Portz | 1989-07-18 |
| D301650 | Wheel barrow tray | — | 1989-06-13 |
| 4763819 | Spreader hopper with moisture guard | — | 1988-08-16 |
| D293196 | Head assembly for a rake | William E. Portz | 1987-12-15 |
| D292061 | Head for a shovel | — | 1987-09-29 |
| D286293 | Design for spreader agitator | — | 1986-10-21 |
| D269490 | Handle for hand tools | — | 1983-06-28 |
| 4280727 | Injection molded snow shovel | — | 1981-07-28 |