Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9326611 | Portable bleacher with active descent and lift mechanism | Kerry D. Briggs, Chi Lam Yau | 2016-05-03 |
| 4290277 | Air-controlled needle latch closing for knitting machine | — | 1981-09-22 |