Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498453 | Two-phase stepping motor gauge control system | Douglas J. King, Ronald Kenneth Selby | 2002-12-24 |
| 6302552 | Illuminated pointer with tubular shaft | David A. Ross, Douglas J. King, Stephen Lynn Miller, Ronald Kenneth Selby | 2001-10-16 |
| 5982158 | Smart IC power control | Raymond Lippmann, James E. Nelson | 1999-11-09 |
| 5941122 | Liquid level sensor incorporating a capacitive rotary position encoder | James E. Nelson, Ronald Kenneth Selby, Raymond Lippmann | 1999-08-24 |
| 5936603 | Liquid crystal display with temperature compensated voltage | Raymond Lippmann, James E. Nelson, Mark J. Miller | 1999-08-10 |
| 5783939 | Stepper motor gauge calibration by AC feedback | Raymond Lippmann, Gail M. Sylvester, Jeffrey Lynn Shepard, Ronald Kenneth Selby, James E. Nelson | 1998-07-21 |
| 5752409 | Method of accurately gauging fuel in an automotive tank | Raymond Lippmann, James E. Nelson, Ivan Roy Brouwer | 1998-05-19 |
| 5736865 | Capacitive rotary position encoder | James E. Nelson, Ronald Kenneth Selby, Raymond Lippmann | 1998-04-07 |
| 5736641 | Capacitance decoded accelerometer | Ronald Kenneth Selby, Jerry A. Gohl, James E. Nelson, Raymond Lippmann | 1998-04-07 |
| 5709576 | LCD connector alignment with printed wiring board | Raymond Lippmann, James E. Nelson, Mark J. Miller, Gerard Arnold Streelman, Victor D. Kruppa | 1998-01-20 |
| 5701330 | Serial communication method and apparatus | Raymond Lippmann, James E. Nelson, James R. Chintyan | 1997-12-23 |
| 5695269 | Multi-color display lighting by led | Raymond Lippmann, James E. Nelson, Mark J. Miller | 1997-12-09 |
| 5665897 | Method of calibrating and zeroing stepper motor gauges | Raymond Lippmann, Gail M. Sylvester, Ronald Kenneth Selby, James E. Nelson | 1997-09-09 |
| 5623277 | Liquid crystal display with image storage ROM | Raymond Lippmann, James E. Nelson, Mark J. Miller | 1997-04-22 |
| 5489842 | Method and apparatus for determining the rotational position of a magnetic rotor relative to current carrying coils utilizing magnetic coupling between coils | Raymond Lippmann, James E. Nelson, James R. Chintyan, William J. Johnston | 1996-02-06 |
| 5485740 | Method of calibration for gauging fuel in an automotive tank | Raymond Lippmann, James E. Nelson, Ivan Roy Brouwer, Mahlon Richard Pachciarz | 1996-01-23 |
| 5408418 | Fuel wobbler | Raymond Lippmann, James E. Nelson, James R. Chintyan, Mark C. Hansen | 1995-04-18 |
| 5394344 | Slew rate limiter with asymmetrical operation | Raymond Lippmann, James E. Nelson, James R. Chintyan, Mark C. Hansen, James M. Aralis +1 more | 1995-02-28 |
| 5371500 | Maintaining ratiometric data in electronically manipulated signal processing systems | Raymond Lippmann, James E. Nelson, James R. Chintyan, Mark C. Hansen, Edward H. Honnigford | 1994-12-06 |
| 5345398 | Gauge glider | Raymond Lippmann, James E. Nelson, James R. Chintyan, Mark C. Hansen | 1994-09-06 |
| 5325314 | Electronic gauge transform | Raymond Lippmann, James E. Nelson, James R. Chintyan, Mark C. Hansen | 1994-06-28 |
| 5233329 | Filter with hysteresis for trip point applications | Raymond Lippmann, James E. Nelson, James R. Chintyan, James M. Aralis, Frank J. Bohac, Jr. +1 more | 1993-08-03 |
| 5146154 | Circuit with ratiometric analog inputs | Raymond Lippmann, James E. Nelson, James R. Chintyan, James M. Aralis, Frank J. Bohac, Jr. | 1992-09-08 |
| 5014051 | Increased resolution sensor circuit | Raymond Lippmann, James R. Chintyan | 1991-05-07 |
| 4970441 | Brightness stabilizing control of a VF display | Raymond Lippmann, James E. Nelson | 1990-11-13 |