Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D486756 | Litter pick-up machine | Robert C. Schwerdlin | 2004-02-17 |
| 6675424 | Litter vacuum | Wilton E. Smith, Gary E. Palmer, Timothy A. Strickland | 2004-01-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D486756 | Litter pick-up machine | Robert C. Schwerdlin | 2004-02-17 |
| 6675424 | Litter vacuum | Wilton E. Smith, Gary E. Palmer, Timothy A. Strickland | 2004-01-13 |