Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10237655 | Battery-powered stereo speaker assembly having power connection for charging a handheld device | Warren R. Osborn | 2019-03-19 |
| 9609435 | Battery-powered stereo speaker assembly having power connection for charging a handheld device | Warren R. Osborn | 2017-03-28 |
| 9427681 | Multi-purpose self-cleaning filter system | — | 2016-08-30 |
| 7568289 | Handheld optical distance measurement device | Aragon Burlingham, Andrew G. Butler, Calvin Chan, Mark Della Bona, Jeffery Fincher +2 more | 2009-08-04 |