Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7201181 | Mixing valve | James C. Daugherty, Lawrence J. Grubka, Paul K. Holliday | 2007-04-10 |
DW
Darryl L. Watkins
Overall (All Time): #3,382,508 of 4,157,543Top 85%
1
Patents All Time