Growing community of inventors

Portland, OR, United States of America

Glenn E Clarridge

Average Co-Inventor Count = 1.20

ph-index = 2

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 = 15

Glenn E ClarridgeRobert W Hayden (1 patent)Glenn E ClarridgeGlenn E Clarridge (3 patents)Robert W HaydenRobert W Hayden (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ford Industries, Inc. (3 from 5 patents)


3 patents:

1. 4167257 - Tape deck capstan shifting apparatus

2. 4059732 - Centralized telephone answering apparatus with remote accessing

3. 4029269 - Tape drive with floating-plate-mounted drive spindles

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as of
12/18/2025
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