Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8222891 | Compensating for position errors in displacement transducers | Michael F. Klopfenstein, Bradley B. Branham | 2012-07-17 |
| 7583178 | System and method for RFID reader operation | Robert Hougen, Patrick Watkins, Mark R. Cohen | 2009-09-01 |
| 7405662 | Wireless tag ranging | James Wagner | 2008-07-29 |
| 6918300 | System and method for determining the resonant frequency and/or amplitude of an oscillating appliance such as a power toothbrush | Joseph W. Grez | 2005-07-19 |
| 6271661 | Absolute position transducer having a non-binary code-track-type scale | Nils Ingvar Andermo, Karl G. Masreliez | 2001-08-07 |
| 6157188 | Compact, long-range absolute position transducer with an extensible compact encoding | — | 2000-12-05 |
| 4672752 | Method of determining the difference in borehole azimuth at successive points | Rand H. Hulsing, II, Rex B. Peters | 1987-06-16 |
| 4614040 | Borehole survey system and method of determining the difference in borehole azimuth at successive points | Rand H. Hulsing, II, Rex B. Peters | 1986-09-30 |
| 4495814 | Accelerometer pendulum support assembly | — | 1985-01-29 |
| 4434654 | Borehole orientation detection system employing polarized radiation | Rand H. Hulsing, II, Rex B. Peters | 1984-03-06 |