Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540877 | Internal paper sizing improvements | Gerald I. Katz, Lester William House, Donald E. Alexander, Susanne Sowers | 2003-04-01 |
| 4836493 | Apparatus for holding and retaining a ladder | — | 1989-06-06 |
| 4812954 | Apparatus for back lighting marble for decorative furniture items | — | 1989-03-14 |