Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D981762 | Bed linen device | — | 2023-03-28 |
| D980655 | Bed linen device | — | 2023-03-14 |
| D917930 | Bed linen device | Brook Hjelm | 2021-05-04 |
| D911073 | Bed linen device | Brook Hjelm | 2021-02-23 |
| 9672718 | Nestable anti-ligative bed linen system and device | Brook Hjelm | 2017-06-06 |
| 9024773 | Anti-ligative bed linen system | Brook Hjelm | 2015-05-05 |
| 8991881 | Anti-ligative doorknob | — | 2015-03-31 |
| 8777282 | Anti-ligative doorknob with tri-beveled latchbolt | — | 2014-07-15 |
| 8430436 | Anti-ligative doorknob with tri-beveled latchbolt | — | 2013-04-30 |
| 7999690 | Door excess weight alarm | — | 2011-08-16 |