Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461829 | Trolley rail system for sliding door | Burl Finkelstein | 1995-10-31 |
| D336678 | Grease filter | Burl Finkelstein | 1993-06-22 |
| D331962 | Grease filter | Burl Finkelstein | 1992-12-22 |
| D328334 | Grease filter | Burl Finkelstein | 1992-07-28 |
| 4577997 | Irrigation pipe | Goran Moller, Lasse Sjovall | 1986-03-25 |
| 4268135 | Image focusing apparatus | — | 1981-05-19 |
| D257535 | Microfilm reader | John R. Zellner | 1980-11-18 |
| 4217039 | Microfiche viewer with rotatable base | John R. Zellner, Michael V. Polinsky | 1980-08-12 |