Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10639093 | Surgical instrument including a wire guide | David Michael Keffeler | 2020-05-05 |
| D859658 | Vessel sealer for tonsillectomy | Jessica E. C. Olson, James D. Allen, IV, David Michael Keffeler, Subhadheep Saha, Purvishkumar H. Soni +1 more | 2019-09-10 |
| 8381658 | Hydrogen fuel cell hybrid locomotives and methods of operating the same | Arnold Miller, Timothy L. Erickson, James L. Dippo | 2013-02-26 |
| 8171860 | Cooling systems for hydrogen hybrid locomotives and hydrogen hybrid locomotives using the same | Arnold Miller, Timothy L. Erickson, James L. Dippo | 2012-05-08 |
| 8117969 | Hydrogen fuel cell hybrid locomotives | Arnold Miller, Timothy L. Erickson, James L. Dippo | 2012-02-21 |
| 8006627 | Cooling systems for hydrogen hybrid locomotives and hydrogen hybrid locomotives using the same | Arnold Miller, Timothy L. Erickson, James L. Dippo | 2011-08-30 |
| 7971538 | Power management systems for hydrogen hybrid locomotives and hydrogen hybrid locomotives using the same | Arnold Miller, Timothy L. Erickson, James L. Dippo | 2011-07-05 |
| 7966945 | Isolation and support structures for hydrogen hybrid locomotives and hydrogen hybrid locomotives using the same | Arnold Miller, Timothy L. Erickson, James L. Dippo | 2011-06-28 |