Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155962 | Ceiling runner | Lowell E. Burkstrand, Theodore S. Haines | 1992-10-20 |
| 4951436 | Ceiling runner | Lowell E. Burkstrand | 1990-08-28 |
| 4850169 | Ceiling runner | Lowell E. Burkstrand, Theodore S. Haines | 1989-07-25 |
| D301745 | Wallboard ceiling runner | Lowell E. Burkstrand | 1989-06-20 |
| 4807719 | Scaffolding ascent apparatus | Lowell E. Burkstrand | 1989-02-28 |