Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484932 | Sanding wheel | Warren L. Langstraat, Daniel D. Smith | 1984-11-27 |
| 4463523 | Weatherstrip assembly for entry door | Charles D. Huber | 1984-08-07 |
| 4447989 | Adjustable weatherstrip assembly | Bruce E. Samuelson | 1984-05-15 |