Patents per Year
Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D783758 | Spiked muzzle brake for firearm | — | 2017-04-11 | |
| 9291430 | Accessory device for attachment to a firearm | — | 2016-03-22 | |
| D701279 | Light with firearm mounting bracket | — | 2014-03-18 | |
| 7445291 | Chair footrest mechanism | Yvonne Parkel | 2008-11-04 | |
| 6533360 | Chair footrest | Yvonne Parkel | 2003-03-18 | |
| 5234969 | Cured phenolic foams | Dean L. Kavanagh | 1993-08-10 | $17,442,000 |
| 4900759 | Phenolic foams | Dean L. Kavanagh | 1990-02-13 | $6,376,000 |
| 4449080 | Electric vehicle protection scheme | Charles E. Konrad | 1984-05-15 | $3,892,000 |
| 4423362 | Electric vehicle current regulating system | Charles E. Konrad | 1983-12-27 | $7,111,000 |
| 4423363 | Electrical braking transitioning control | Joe C. Lambert, Sherrill G. Thomas | 1983-12-27 | $7,111,000 |