Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728950 | Magnetic sensor apparatus for remotely monitoring a utility meter or the like | Max S. Hendrickson, Gerald M. Kackman | 1988-03-01 |
| 4680704 | Optical sensor apparatus and method for remotely monitoring a utility meter or the like | Steven K. Case, Gerald M. Kackman | 1987-07-14 |
| 4628313 | Apparatus and method for remotely monitoring a utility meter by use of a liquid crystal display | Peter P. Gombrich, Steven K. Case | 1986-12-09 |