Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5522180 | Automatic door sweep | Richard S. Adler, Blake Sloan, George E. Nelson | 1996-06-04 |
| 5454192 | Automatic door sweep | Richard S. Adler, Blake Sloan, Keith O'Brien | 1995-10-03 |