Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069408 | Shelving mount system | — | 1991-12-03 |
| 5004202 | Book end bracket and shelving system | William E. Stumpf, Casey L. Carlson, Richard S. Knape | 1991-04-02 |
| 5004201 | Interlock shelving bracket and standard cover | — | 1991-04-02 |
| 5002248 | Beam and telescopic connector shelving system | Richard S. Knape, William E. Stumpf, Casey L. Carlson | 1991-03-26 |
| D313720 | Combined corner shelf and bracket | Robert E. Sorenson | 1991-01-15 |
| 4966343 | Aesthetic shelving system | William E. Stumpf, Casey L. Carlson | 1990-10-30 |
| 4871136 | Interlock shelf and bracket | Michael J. Hogan | 1989-10-03 |
| 4765699 | Drawer slide lift-out lock | Gene R. Clement | 1988-08-23 |
| 4738426 | Resilient sleeve glass shelf bracket | — | 1988-04-19 |
| 4736919 | Resilient threaded retention glass shelf bracket | — | 1988-04-12 |
| 4736918 | Clamp plate cantilever shelf | — | 1988-04-12 |
| 4733843 | Flexible glass shelf bracket | — | 1988-03-29 |
| 4720069 | Lock pin cantilever shelf | — | 1988-01-19 |
| 4691887 | Shelf anchor | — | 1987-09-08 |
| 4615095 | Inclined drawer slide incorporating scale | Keith A. Hoffman | 1986-10-07 |
| 4605265 | Drawer slide bumper | Jerry D. Rutledge | 1986-08-12 |
| 4581799 | Method of assembling a ball bearing | — | 1986-04-15 |
| 4549774 | Drawer slide apparatus | Keith A. Hoffman | 1985-10-29 |
| 4268935 | Carpet cleaning machine | — | 1981-05-26 |
| 4240569 | Carpet cleaning powder dispenser | — | 1980-12-23 |