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For the Inventor, By the Inventor

Berkeley, CA, United States of America

Earthgrid Pbc


USPTO Granted Patents = 2


Forward Citations = 3

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1 inventor (with patents filed for the assignee):

goldMedal Troy Anthony Helming (2 out of 5 patents)


2 patents:

1. 11591909 - Tunnel boring system (2023-02-28),
2. 11136886 - Tunnel boring system (2021-10-05),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#163 in Berkeley, CA

#20,941 in California

#94,628 in US

Berkeley, CA (US)
Berkeley, CA, United States of America

Earthgrid Pbc

Forward Citations = 3

1 inventor:

goldMedal Troy Anthony Helming (2 out of 5 patents)

Please report any incorrect information to [email protected]
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