Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304399 | Chair base with casters | Jerome Caruso, Ludovic A. Perl | 1989-11-07 |
| 4843677 | Tilted axle caster with brake | — | 1989-07-04 |
| 4763383 | Electrically conductive caster having loop depending rings | Michael H. Estkowski, Christopher G. Estkowski | 1988-08-16 |
| 4649595 | Resiliently mounted caster having a pivotally mounted inner body member | — | 1987-03-17 |