Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8517320 | Quick attachment bracket for securing a first item to a second item | — | 2013-08-27 |
| 6681702 | Skate for use with a floor track storage system | — | 2004-01-27 |
| 4750626 | Removable conical corner structure for shelving | — | 1988-06-14 |
| 4637323 | Corner structure for adjustable shelving (with opposed clamping members) | — | 1987-01-20 |
| 4627543 | Compression sleeve corner structure for adjustable shelving | — | 1986-12-09 |
| 4346498 | Shock resistant caster assembly | John H. Welsch, Frederick C. Greene | 1982-08-31 |
| D259380 | Corner structure for shelving | John H. Welsch | 1981-06-02 |
| 4237798 | Adjustable shelving | John H. Welsch | 1980-12-09 |