Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449094 | Temperature compensated magnetic damping assembly for induction meters | Joseph M. Keever, William J. Zisa | 1984-05-15 |
| 4238729 | Magnetic damping system having low induction magnet | Joseph M. Keever | 1980-12-09 |
| 4182984 | Magnetic damping assembly with temperature compensator for watthour meters | James Ramsey | 1980-01-08 |