Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889443 | Connection arrangement | — | 1989-12-26 |
| 4717882 | Snap over lens assembly | Raymond T. Blythe | 1988-01-05 |
| 4333322 | Mount for washing machine | Robert M. Fey, Richard A. Waugh | 1982-06-08 |
DB
David L. Billings
Qualitrol Company: 1 patents #16 of 24Top 70%
Overall (All Time): #1,672,213 of 4,157,543Top 45%
3
Patents All Time