Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D849935 | Syringe | Bryan E. Rolfs | 2019-05-28 |
| D830540 | Syringe | Bryan E. Rolfs | 2018-10-09 |
| 4739628 | Extended range heat pump system and centrifugal compressor for use therewith | — | 1988-04-26 |
| 4464618 | Compound field motor | — | 1984-08-07 |