Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D255511 | Toothbrush | Percy H. Hill | 1980-06-24 |
JK
John G. Kreifeldt
Overall (All Time): #4,114,658 of 4,157,543Top 100%
1
Patents All Time