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Forward Citations = 137

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9 inventors (with patents filed for the assignee):

Rory A Smith (2 out of 6 patents)

Mervin L Grindahl (2 out of 12 patents)

Keith W Barnes (2 out of 63 patents)

4. Donald R Bauman (1 out of 29 patents)

5. Michael John Rude (1 out of 9 patents)

6. James K Lyon (1 out of 2 patents)

7. Brian T Van Lear (1 out of 1 patent)

8. Jay R Holcomb (1 out of 1 patent)

9. Steve Pfiefer (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6684080 - Trunked radio repeater communication system including home channel aliasing and call grouping (2004-01-27),

2. 6529486 - Trunked radio repeater communication system (2003-03-04),

3. 6049720 - Link delay calculation and compensation system (2000-04-11),

4. 5926005 - Charger for batteries and for devices having batteries (1999-07-20),

5. 5896560 - Transmit control system using in-band tone signalling (1999-04-20),

Transcrypt International, also known as E.F. Johnson Company, specializes in providing secure communication solutions for public safety, military, and commercial organizations. With a legacy dating back to 1923, the company offers advanced encryption technology, interoperable radio systems, and rugged communication devices. Their products are trusted by first responders and professionals around the world for reliable and secure communication in critical situations.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#21 in Burnsville, MN

#1,385 in Minnesota

#50,165 in US

Burnsville, MN, United States of America

Transcrypt International/e. F. Johnson Company