Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D447301 | Window cleaning device | Edward W. Adair, William F. Mallory | 2001-08-28 |
| 5448793 | Window cleaning device | Richard McFadden, Gary L. Stover, Robert L. Smith | 1995-09-12 |
| 5371914 | Window cleaning device | Richard McFadden, Gary L. Stover, Robert L. Smith | 1994-12-13 |