Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223352 | Lead-acid battery with dimensionally isotropic graphite additive in active material | Rudolph V. Pitts, John B. Williamson, Michael J. Gough | 1993-06-29 |
| 4458843 | Centering system for spherical bearings | — | 1984-07-10 |
| 4435023 | Internally actuated sperical bearing | — | 1984-03-06 |