Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4496027 | Mobile outrigger for suspending scaffold | — | 1985-01-29 |
| 4198724 | Automatic window washer | Sidney L. Fisher, Ole E. Leivestad | 1980-04-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4496027 | Mobile outrigger for suspending scaffold | — | 1985-01-29 |
| 4198724 | Automatic window washer | Sidney L. Fisher, Ole E. Leivestad | 1980-04-22 |