Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48344 | Sleep system | Blair Weiland, Steven Stieglitz, Anthony J. Warncke, Joel D. Alberda, Donald E. Newfer | 2020-12-08 |
| 9884514 | Floor brake assembly for an article of furniture | Timothy Justin Johnson, Steven Stieglitz, Anthony J. Warncke | 2018-02-06 |
| 9532656 | Floor brake assembly for an article of furniture | Timothy Justin Johnson, Steven Stieglitz, Anthony J. Warncke | 2017-01-03 |
| 9314104 | Sleep system mechanism | Steven Stieglitz, Joel D. Alberda, Donald E. Newfer | 2016-04-19 |
| 9125496 | Sleep system | Blair Wieland, Steven Stieglitz, Anthony J. Warncke, Joel D. Alberda, Donald E. Newfer | 2015-09-08 |
| 9027178 | Sleep system | Blair Wieland, Steven Stieglitz, Anthony J. Warncke, Joel D. Alberda, Donald E. Newfer | 2015-05-12 |
| 8899687 | Puzzle seating | Donald E. Newfer, Steven Stieglitz | 2014-12-02 |