Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886033 | Stabilized flow control valve | Joseph T. Betterton, Thomas S. McKee, Chris S. Romanczuk | 1989-12-12 |
| 4846762 | Shaft coupler for automated assembly | Joseph T. Betterton, Bruce Hepler | 1989-07-11 |
| 4846760 | Shaft coupler | Joseph T. Betterton, Bruce Hepler | 1989-07-11 |
| 4843883 | Differential pressure fluid level sensor | Daniel F. Lawless | 1989-07-04 |
| 4841771 | Fuel level sensor | Daniel F. Lawless | 1989-06-27 |
| 4842425 | Odometer shaft retainer and support | Joseph T. Betterton, Bruce Hepler | 1989-06-27 |
| 4836792 | Connector | — | 1989-06-06 |
| 4822319 | Instrument drive coupler | Joseph T. Betterton | 1989-04-18 |
| 4807478 | Pressure transducer | Joseph T. Betterton, Thomas S. McKee | 1989-02-28 |
| 4806901 | Motion transducer | — | 1989-02-21 |
| 4805460 | Oil pressure transducer | Joseph T. Betterton, Ranald L. Griffin, Anthony J. Kerstiens | 1989-02-21 |