Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D492572 | Window operator | Michael D. Smith | 2004-07-06 |
| 6244366 | Cart transporter | Daniel Leigh Otterson | 2001-06-12 |
| D418050 | Window operator | Elizabeth Lisiecki, Robert A. O'Neil, Ted A. Bell | 1999-12-28 |
| D413550 | Cart tugger | Daniel Leigh Otterson | 1999-09-07 |
| 5690710 | Self-cleaning filter | — | 1997-11-25 |