Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868346 | Towel roll holder and towel dispenser | — | 1999-02-09 |
| 5671862 | Extended-life trash receptacle | — | 1997-09-30 |
| 4951576 | Plastic support surface structure | Gary A. Ludwig | 1990-08-28 |
| 4194688 | Method of and apparatus for providing supplemental heat to buildings | — | 1980-03-25 |