Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D353315 | Spike removing tool | — | 1994-12-13 | |
| D309806 | Vacuum cleaner | Robert Chieda | 1990-08-07 | |
| 4761850 | Vacuum cleaner having an integral tool holder | Robert Chieda | 1988-08-09 | $3,806,000 |