Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027015 | Interactive communication system having an integrated key drive system | Peter W. Hildebrandt, Ian G. Hutchinson, James D. Watson, Michael H. Dunn, Neal A. Hofmann +3 more | 2015-05-05 |
| 8723815 | Interactive communication systems | Peter W. Hildebrandt, Ian G. Hutchinson, James D. Watson, Michael H. Dunn, Neal A. Hofmann +3 more | 2014-05-13 |
| 7762928 | Artificial rock climbing systems and methods adapted for water environment | — | 2010-07-27 |
| 7750892 | Portable interactive communication systems | Peter W. Hildebrandt, Ian G. Hutchinson, James D. Watson, Michael H. Dunn, Neal A. Hofmann +3 more | 2010-07-06 |
| 7594874 | Quick connect climbing hold | — | 2009-09-29 |
| 6872167 | Artificial rock climbing arrangement adapted for water environment | — | 2005-03-29 |