Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D1092463 | Terminal with integral printers | Jeffrey S. Koepele, Brent W. Richtsmeier, Michael Sizer | 2025-09-09 | |
| D915649 | Multi-use mini-light | — | 2021-04-06 | |
| 10533733 | Multi-function tool, kit, and methods of using the same | — | 2020-01-14 | |
| 8053117 | FCPM freeze start heater | — | 2011-11-08 | $3,733,000 |
| 7972749 | Low voltage power tap on high voltage stack | Clark G. Hochgraf, Victor W. Logan, John Wheat, David B. Ouwerkerk | 2011-07-05 | $9,243,000 |
| 7344788 | Starting a fuel cell system using ambient air and a low voltage blower | Bruce J. Clingerman, Rainer Pechtold, Roland Nolte, Hermann Victor, Bernhard Wnendt +2 more | 2008-03-18 | $5,934,000 |
| 7081193 | Multi-stack isolation detection system | John Wheat | 2006-07-25 | $18,094,000 |