Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9716449 | Energy saving system and method for devices with rotating or reciprocating masses | John L. Lumsden, Paul H. Kelley | 2017-07-25 |
| 9628015 | Energy saving system and method for devices with rotating or reciprocating masses | John L. Lumsden, Paul H. Kelley | 2017-04-18 |