Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6283193 | Adjustable tensioning arrangement for modular security door system | Harry E. Finch | 2001-09-04 |
| 5284199 | Panel construction for a wall or roll-up door system | Harry E. Finch | 1994-02-08 |
| 5172744 | Roll-up door system | Harry E. Finch | 1992-12-22 |
| 5165213 | Partition wall and interlocking panels therefor | Harry F. Finch | 1992-11-24 |
| 4990042 | Self-drilling blind setting rivet | Stig V. Naona | 1991-02-05 |
| 4930563 | Modular security door system | Harry E. Finch | 1990-06-05 |
| 4921033 | Security door system | Harry E. Finch | 1990-05-01 |
| 4807687 | Security door system | Harry E. Finch | 1989-02-28 |
| 4546590 | Partition wall system and components therefor | Harry E. Finch | 1985-10-15 |
| 4234220 | Exterior safety lock apparatus | Harry E. Finch | 1980-11-18 |