Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D383932 | Chair armrest | — | 1997-09-23 |
| 5647638 | Height-adjustable chair arm assembly | Robert T. Ritt, Richard N. Roslund, Jr. | 1997-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D383932 | Chair armrest | — | 1997-09-23 |
| 5647638 | Height-adjustable chair arm assembly | Robert T. Ritt, Richard N. Roslund, Jr. | 1997-07-15 |