Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711032 | Portable saw mill | Robert Dean Donovan, Louis C. Brickner | 1987-12-08 |
| 4452117 | Self-adjusting fence for motorized saw unit | Louis D. Brickner, Bobby Donovan | 1984-06-05 |