Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4587148 | Flocked floor mat with foraminous layer | Mary B. Donovan | 1986-05-06 |
| 4293604 | Flocked three-dimensional network mat | — | 1981-10-06 |
| 4190550 | Soap-filled pad | — | 1980-02-26 |
DC
Douglas D. Campbell
Overall (All Time): #1,677,805 of 4,157,543Top 45%
3
Patents All Time