Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8632109 | Waste retrieval and disposal device and method | Arnold Zidulka | 2014-01-21 |
| 8038190 | Waste retrieval and disposal device and method | Arnold Zidulka | 2011-10-18 |
| 5048893 | Ergonomic chair | Benjamin D. Cowan, Marek Kmicikiewicz, Christopher J. Scrase | 1991-09-17 |
| 4738487 | Tilting seat | Christopher J. Scrase, Raymond Mitchell | 1988-04-19 |