Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365441 | Shutter shields (TM) in combination with an outer and inner glass area means | — | 1982-12-28 |
| 4344265 | Energy conserving building structural elements normally called window or door frames | — | 1982-08-17 |
| 4337603 | Bushing, formed compressible insulation for insulating air space created by holes | — | 1982-07-06 |
| 4326360 | Shutter shields (R) vertical travel et al. | — | 1982-04-27 |