Growing community of inventors

Rogers, MN, United States of America

John M Enga

Average Co-Inventor Count = 2.14

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 = 34

John M EngaJeffrey S Thiessen (5 patents)John M EngaHector F Gonzalez (1 patent)John M EngaJohn M Enga (5 patents)Jeffrey S ThiessenJeffrey S Thiessen (9 patents)Hector F GonzalezHector F Gonzalez (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Geneva Group of Companies, Inc. (5 from 9 patents)


5 patents:

1. 7497493 - Pick up truck load rack

2. 6292330 - Magnetic head cleaning cartridge with displaceable head receiver

3. 6097572 - Tape drive head cleaning cartridge having a cleaning element with

4. 6038111 - Cartridge having brushes above and below a cleaning tape for cleaning

5. 5703742 - Universal cassette cartridge

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as of
12/19/2025
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