Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11191902 | Combination plunger device for a dual chamber mixing syringe | Peter J. Dungar, Molly M. Weaver, Philip A. Weaver, Robert E. Johannesson | 2021-12-07 |
| 11141951 | Membrane-coated sintered porous media for sample collection | Guoqiang Mao, Kyle Thomas Harris, Jeffrey J. Williams | 2021-10-12 |
| 11033689 | Plunger-driven auto-injectors | Philip A. Weaver | 2021-06-15 |
| 10300201 | Plunger sub-assemblies and auto-injectors having low retraction activation force | Philip A. Weaver | 2019-05-28 |
| 10166336 | Auto-injector for retractable prefilled syringe | Philip A. Weaver, Joseph Hermes Kaal, Christopher Charles Rafferty, Craig Stephen Thorley, Joel M. Ondrejicka | 2019-01-01 |
| 10130768 | Combination plunger device for a dual chamber mixing syringe | Peter J. Dungar, Molly M. Weaver, Philip A. Weaver, Robert E. Johannesson | 2018-11-20 |
| 9750885 | Plunger-driven auto-injectors | Philip A. Weaver | 2017-09-05 |