Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35047 | Side-sliding storage rack for 3480 cartridges | — | 1995-10-03 |
| 5062535 | Side-sliding storage rack for 3480 cartridges | — | 1991-11-05 |
| 4938549 | Rotary file unit and cabinet | — | 1990-07-03 |
| 4750924 | Clean air flow and temperature equalizing apparatus | — | 1988-06-14 |
| 4588236 | Rotary file cabinet | — | 1986-05-13 |
| 4485997 | Rotatable base unit support for a file cabinet | — | 1984-12-04 |