Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352260 | Calibratable variable displacement pump | — | 2025-07-08 |
| 12246315 | Powered positive displacement pipette assembly | Michael McNaul, Thomas James McPherson, Stephen Grimwade, German Arciniegas | 2025-03-11 |
| 11911767 | Positive displacement pipette syringe identification system | Michael McNaul, Bob Wells, Simon Shakespeare, Matthew Allan Newman | 2024-02-27 |
| D1014736 | Pipette syringe | Michael McNaul, Jamie McPherson, Stephen Grimwade | 2024-02-13 |
| 11850582 | Powered positive displacement dispensing methods | Michael McNaul, Hans-Jurgen Bergmann | 2023-12-26 |
| D982157 | Pipette syringe | Michael McNaul, Jamie McPherson, Stephen Grimwade | 2023-03-28 |
| D982176 | Pipette syringe | Michael McNaul, Jamie McPherson, Stephen Grimwade | 2023-03-28 |
| D976438 | Pipette syringe | Michael McNaul, Jamie McPherson, Stephen Grimwade | 2023-01-24 |
| 11471878 | Powered positive displacement pipette | Michael McNaul, Stephen Grimwade, Thomas James McPherson | 2022-10-18 |
| 11446672 | Powered positive displacement pipette syringe piston grasping mechanism | Michael McNaul, Stephen Grimwade, Michael Roy Fairs, Vasanthan Mani, Cyril Lourdnathan Joseph Fernandez | 2022-09-20 |
| 11389792 | Syringe for powered positive displacement pipette | Michael McNaul, Thomas James McPherson, Stephen Grimwade, German Arciniegas | 2022-07-19 |
| 11369954 | Powered positive displacement pipette assembly | Michael McNaul, Thomas James McPherson, Stephen Grimwade, German Arciniegas | 2022-06-28 |
| 10380807 | Pipette check system | Gerhard Keller, Deryl Stanley, James S. Petrek, Murray Anderson | 2019-08-13 |
| 9858729 | Pipette check station | Gerhard Keller, Deryl Stanley, James S. Petrek, Murray Anderson | 2018-01-02 |
| 8066911 | Method of improving flowability of adipic acid | Kevin Gatherar, Julien Hillman, James E. McIntosh | 2011-11-29 |
| 4862707 | Two compartment refrigerator | James C. LaBrecque | 1989-09-05 |
| 4794680 | Novel wear-resistant laser-engraved ceramic or metallic carbide surfaces for friction rolls for working elongate members, method for producing same and method for working elongate members using the novel friction roll | Robert W. Meyerhoff | 1989-01-03 |
| 4625442 | Cattle stunning gun | Roger J. Hancox | 1986-12-02 |
| 4583495 | Wood fired quick recovery water heater | Richard F. Kasper, David J. Radley, Arthur R. Pete | 1986-04-22 |
| 4473351 | Vertical feed stick wood fuel burning furnace system | — | 1984-09-25 |
| 4413571 | Solid fuel hot water heater | Mark R. Daniele | 1983-11-08 |
| 4366805 | Sector control wood-type fuel burning furnace | — | 1983-01-04 |
| 4309965 | Vertical feed stick wood fuel burning furnace system | — | 1982-01-12 |