Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357978 | Roller shade seal system | Richard Steinberg, John P. Whittemore | 1982-11-09 |
| 4353353 | Low temperature solar furnace and method | — | 1982-10-12 |
| 4338917 | Low temperature solar furnace and method | — | 1982-07-13 |