Indianapolis, IN, United States of America

Earl Grissmer Company, Inc.


USPTO Granted Patents = 1

Trademarks = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Jack L Burgoon (1 out of 19 patents)

silverMedal John M Hayes (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#439 in Indianapolis, IN

#1,980 in Indiana

#133,894 in US

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Indianapolis, IN, United States of America
Forward Citations = 1

2 inventors:

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