Growing community of inventors

Dundas, MN, United States of America

Frederick Alan Dahl

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 70

Frederick Alan DahlJames Jerome Koberg (4 patents)Frederick Alan DahlBrian Allen Amacher (4 patents)Frederick Alan DahlFrederick Alan Dahl (4 patents)James Jerome KobergJames Jerome Koberg (11 patents)Brian Allen AmacherBrian Allen Amacher (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Trystar, Inc. (4 from 15 patents)


4 patents:

1. 9325161 - Universal electrical receptacle cover

2. 9271413 - Shelter for portable electrical inlets/outlets

3. D709461 - Receptacle cover

4. 8476540 - Shelter for portable electrical inlets/outlets

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idiyas.com
as of
1/2/2026
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