Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D390372 | Seat | Jack R. Lewis, Kenneth W. Liss | 1998-02-10 |
| D381819 | Sitting unit | Jack R. Lewis, Shane R. Gamble | 1997-08-05 |
| D380093 | Chair | Jack R. Lewis, Jerry D. Crummel | 1997-06-24 |
| D376265 | Chair | Jack R. Lewis, Kenneth W. Liss | 1996-12-10 |