Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D296300 | Dual wheel caster | Michael P. Doyle, Frank J. Fontana | 1988-06-21 |
| 4727240 | Electric iron with dual automatic cutoff | Peter A. Czerner, Michael Singleton, Roman Czernik | 1988-02-23 |
| 4544425 | Method for attaching wheels to dual wheel casters, including ultrasonic welding | — | 1985-10-01 |