Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D338269 | Ergonometric stethoscope chestpiece | Joel R. Dufresne, Alan P. Dieken, Gerald E. Drake, Curt Hostager, deceased | 1993-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D338269 | Ergonometric stethoscope chestpiece | Joel R. Dufresne, Alan P. Dieken, Gerald E. Drake, Curt Hostager, deceased | 1993-08-10 |