Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875600 | Door corner joint with force transfer block | — | 1999-03-02 |
| 5483775 | Adjustable setting block assembly | — | 1996-01-16 |
| 5239728 | Interlocking adjustable center pivot | — | 1993-08-31 |
| 4937916 | Offset door pivot | — | 1990-07-03 |
| 4409769 | Heat insulated entrance | — | 1983-10-18 |
| 4397124 | Glass jacks for doors, windows, walls, etc. | — | 1983-08-09 |
| 4376359 | Fastener clip for glazed doors | — | 1983-03-15 |
| 4320161 | Weather stripping material | — | 1982-03-16 |
| 4184382 | Lever arm assembly | — | 1980-01-22 |