Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708989 | Toilet seat assemblies | — | 1998-01-20 |
| 5412815 | Toilet seats | — | 1995-05-09 |
| 5367718 | Containers | — | 1994-11-29 |
| 4355724 | Apparatus for sensing depressions in top panels of containers | Frank H. Erdman | 1982-10-26 |