Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488773 | Apparatus and method for spraying polymer | Walter Ehrhardt | 2002-12-03 |
| D450241 | Spray tip | Walter L. Erhardt | 2001-11-13 |
| D359944 | Support rack for mounting between opposite side vehicle windows | Stephen A. Roberts | 1995-07-04 |