Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876835 | Work space management system | William E. Stumpf, Frank Friedman | 1989-10-31 |
| 4826125 | Folding easel | — | 1989-05-02 |
| D300396 | Table | — | 1989-03-28 |
| RE32890 | Frame connector system | Jerry A. DeFouw | 1989-03-21 |
| D299758 | Tile insert for a wall | — | 1989-02-07 |