Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D337381 | Ergonometric stethoscope chestpiece | Joel R. Dufresne, Alan P. Dieken, Gerald E. Drake, Curt Hostager, deceased | 1993-07-13 |
BR
by Ray S. Hostager, legal representative
Overall (All Time): #3,828,632 of 4,157,543Top 95%
1
Patents All Time