Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562677 | Metal door frame constructed of a channel section and method of making same | — | 1986-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562677 | Metal door frame constructed of a channel section and method of making same | — | 1986-01-07 |