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For the Inventor, By the Inventor

Wayne, NJ, United States of America

Kearfott Guidance & Navigation Corporation


USPTO Granted Patents = 13


Forward Citations = 245

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11 inventors (with patents filed for the assignee):

goldMedal Bo H Ljung (5 out of 41 patents)

silverMedal Terry V Roszhart (3 out of 3 patents)

bronzeMedal Bernard Friedland (2 out of 11 patents)

4.  Martin A Sanzari (2 out of 2 patents)

5.  Donald I Shernoff (1 out of 2 patents)

6.  Timothy H Chang (1 out of 1 patent)

7.  Walter J Krupick (1 out of 10 patents)

8.  James G Koper (1 out of 8 patents)

9.  Lincoln S Ferriss (1 out of 15 patents)

10.  John C Stiles (1 out of 7 patents)

11.  Mark A Weitzner (1 out of 2 patents)

12.  Ernest C Wittke (9 patents)

13.  William C Albert (0 patent)


13 patents:

1. 6032531 - Micromachined acceleration and coriolis sensor (2000-03-07),
2. 5656778 - Micromachined acceleration and coriolis sensor (1997-08-12),
3. 5487304 - Superconducting dual junction gyroscope apparatus (1996-01-30),
4. 5416583 - Quantum well bias mirror for phase modulation in a ring laser gyroscope (1995-05-16),
5. 5359413 - System for substantially eleminating lock-in in a ring laser gyroscope (1994-10-25),
6. 5311280 - Laser light length control assembly for ring laser gyro (1994-05-10),
7. 4945765 - Silicon micromachined accelerometer (1990-08-07),
8. 4888705 - System for measuring the position of vibrating object (1989-12-19),
9. 4886364 - Ring laser gyroscope beam combiner for separating and combining (1989-12-12),
10. 4877311 - Laser power monitoring optics for a ring laser gyroscope (1989-10-31),
11. 4865452 - Beam combiner assembly for ring laser gyroscope (1989-09-12),
12. 4861161 - Method of constructing a moment insensitive pathlength control mirror (1989-08-29),
13. 4856901 - Velocity control system using piezoelectric transducers (1989-08-15),
Company Overview
Kearfott Guidance & Navigation Corporation specializes in advanced guidance and navigation solutions, primarily serving the aerospace and defense sectors. The company focuses on the development and manufacturing of inertial sensors, navigation systems, and related technologies that enhance the performance and reliability of various platforms. With a strong emphasis on innovation, Kearfott plays a crucial role in supporting military and commercial applications, ensuring precision and accuracy in complex environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#13 in Wayne, NJ

#896 in New Jersey

#23,854 in US

#45,081 in the World

Wayne, NJ (US)
Wayne, NJ, United States of America

Kearfott Guidance & Navigation Corporation

Forward Citations = 245

11 inventors:

goldMedal Bo H Ljung (5 out of 41 patents)

silverMedal Terry V Roszhart (3 out of 3 patents)

bronzeMedal Bernard Friedland (2 out of 11 patents)

4.  Martin A Sanzari (2 out of 2 patents)

5.  Donald I Shernoff (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kearfott Guidance & Navigation Corporation. Retrieved from https://idiyas.com/company/kearfott-guidance-and-navigation

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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