Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350999 | Trash can plug | Michael F. Brletich | 2008-04-01 |
| D555465 | Hanger plug | Mark Downing | 2007-11-20 |
RK
Robert Kempf
Overall (All Time): #2,144,894 of 4,157,543Top 55%
2
Patents All Time