Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D798265 | Handheld language translator | — | 2017-09-26 |
| 7455481 | Pneumatic carrier | Danny D. Keller | 2008-11-25 |
| D558258 | Pneumatic carrier | Danny D. Keller, Richard A. Wootan, Steven K. Ettelson | 2007-12-25 |
| D546380 | Pneumatic carrier with holder for writing implement | — | 2007-07-10 |