Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039990 | DC UPS configured as intrinsic power transfer switch | Steven Mark Groff | 2011-10-18 |
| 8022579 | Brownout solution for electromechanical automatic transfer switch | Steven Mark Groff | 2011-09-20 |
| 7898106 | DC UPS configured as intrinsic power transfer switch | Steven Mark Groff | 2011-03-01 |
| 7868484 | Worldwide adaptive multi-coil automatic transfer switch | Steven Mark Groff | 2011-01-11 |