Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8742715 | System and method for providing control of an electric motor using inductive rotary sensor | Michael J. Ortman | 2014-06-03 |
| 4234800 | Ozone generator | William O. Grefe, Walter H. Lawrence | 1980-11-18 |