For the Inventor, By the Inventor

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Paonia, CO, United States of America

Convergent Communications, Inc.

USPTO Granted Patents = 1

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Francois P Pretorius (1 out of 6 patents)

David L Hill (1 out of 2 patents)

Charles A Wisniewski (1 out of 2 patents)

4. Lawrence Deloss Lowe, Iii (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 8989926 - Railroad signaling and communication system using a fail-safe voltage sensor to verify trackside conditions in safety-critical railroad applications (2015-03-24),

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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#2 in Paonia, CO

#3,466 in Colorado

#136,533 in US

Paonia, CO, United States of America

Convergent Communications, Inc.

Forward Citations = 1

4 inventors:

Francois P Pretorius (1 out of 6 patents)

David L Hill (1 out of 2 patents)

Charles A Wisniewski (1 out of 2 patents)

4. Lawrence Deloss Lowe, Iii (1 out of 2 patents)

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