Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295327 | Sheet metal door frame and a method for installing the same in a doorway | — | 1994-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295327 | Sheet metal door frame and a method for installing the same in a doorway | — | 1994-03-22 |