Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D533319 | Litter box rake | — | 2006-12-05 |
| 7096824 | Rake for self-cleaning pet litter apparatus | — | 2006-08-29 |
| 7017519 | Self-cleaning pet litter apparatus and related method | Yiu Chung Wan | 2006-03-28 |
| D501338 | Shelf unit | Allan G. Ross | 2005-02-01 |
| 5521607 | Bandswitched electrically short tactical monopole antenna system | — | 1996-05-28 |
| 5065164 | Frequency range enchanced monopole antenna | — | 1991-11-12 |
| 4793021 | Molded caster pintle with high strength core | Henry J. Folson | 1988-12-27 |
| 4720894 | Caster pintle having a sleeve with a ring centering mechanism | Henry J. Folson | 1988-01-26 |
| 4652888 | Miniature tactical HF antenna | — | 1987-03-24 |
| 4545059 | Antenna coupler system | R. Joe Spinks, Jr., Glenn R. Snider | 1985-10-01 |
| 4511900 | Current enhanced monopole radiation type antenna apparatus | — | 1985-04-16 |