Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5978381 | Transmitting high bandwidth network content on a low bandwidth communications channel during off peak hours | Stephen G. Perlman, William H. Yundt | 1999-11-02 |
| D256344 | Hydroponic unit | — | 1980-08-12 |
| 4189867 | Hydroponic unit | — | 1980-02-26 |