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Santa Rosa, CA, United States of America

Allen L Gummer

Average Co-Inventor Count = 3.00

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 82

Allen L Gummer ↔ Graydon J Choinski (6 patents)Allen L Gummer ↔ David W Brooks (6 patents)Allen L GummerAllen L Gummer (6 patents)Graydon J ChoinskiGraydon J Choinski (13 patents)David W BrooksDavid W Brooks (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Indian Head Industries, Inc. (6 from 55 patents)


6 patents:

1. 5433138 - Tamper-resistant brake actuator

2. 5311809 - Method of making tamper-resistant brake actuators

3. 5263403 - Method of forming a tamper-resistant brake actuator

4. 5205205 - Tamper resistant brake actuator

5. 5067391 - Tamper-resistant brake actuator

6. 4960036 - Tamper-resistant brake actuator

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12/18/2025
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