Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305691 | Pass through wall panel | — | 1990-01-23 |
| 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 |
| D298095 | Table | Clino T. Castelli | 1988-10-18 |
| D297990 | Table | Clino T. Castelli | 1988-10-11 |
| D296851 | Adjustable support table for a keyboard | — | 1988-07-26 |
| D296854 | Table | Clino T. Castelli | 1988-07-26 |
| D296635 | Table leg | Clino T. Castelli | 1988-07-12 |
| D293135 | Desk lamp | Douglas J. Medema, Donald J. Staufenberg | 1987-12-08 |
| D292264 | Support for telephone trays, tool caddies, or similar articles | Donald J. Staufenberg | 1987-10-13 |
| 4685255 | Work space management system | — | 1987-08-11 |
| 4618192 | Cabinet with hanger rails | — | 1986-10-21 |
| 4571907 | Frame connector system | Jerry A. DeFouw | 1986-02-25 |
| 4433884 | Work surface support system | Thomas M. Edwards, Michael D. Beard | 1984-02-28 |