Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10898406 | Collapsable safety cane with shock absorbing feature | — | 2021-01-26 |
| 4815162 | Independently adjustable top and bottom hinge pin assemblies | — | 1989-03-28 |
| 4434596 | Partition head assembly for partition wall panels | Kenneth E. Bisler, Jerry Ptacnik, Richard D. Kish | 1984-03-06 |