Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D372975 | Electric breast pump | Donald W. Herritz, Jean L. Johansen, William B. Hudson, Randall P. Bell, Gary F. Prokop +2 more | 1996-08-20 |
| 5542921 | Electric breast pump | Donald W. Herritz, Jean L. Johansen, William B. Hudson, Randall P. Bell, Gary F. Prokop +2 more | 1996-08-06 |