Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316247 | Wire-and-tube-retaining pole clip | — | 1994-05-31 |
| D347164 | Pole clip for wires or tubing | — | 1994-05-24 |
| 4356674 | Free-standing space divider assembly with acoustic upper end border | Robert L. Propst, Ronald R. Hodges | 1982-11-02 |
| 4257203 | Under the wall wiring system with improved cover members | Robert L. Propst, Thomas J. Newhouse | 1981-03-24 |
| 4255611 | Energy distribution system for enclosed areas | Robert L. Propst | 1981-03-10 |
| 4235495 | Energy supply system including flat power cables for a space divider system | Robert L. Propst | 1980-11-25 |
| 4231630 | Under the wall energy supply system for a space divider system | Robert L. Propst | 1980-11-04 |