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For the Inventor, By the Inventor

Alpha, IL, United States of America

Calmer Corn Heads, Inc.


USPTO Granted Patents = 1

Trademarks = 8

Forward Citations = 14

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1 inventor (with patents filed for the assignee):

goldMedal Marion Calmer (1 out of 48 patents)


1 patent:

1. 10420281 - Narrow row head unit (2019-09-24),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#1 in Alpha, IL

#6,191 in Illinois

#136,675 in US

Alpha, IL (US)
Alpha, IL, United States of America

Calmer Corn Heads, Inc.

Forward Citations = 14

1 inventor:

goldMedal Marion Calmer (1 out of 48 patents)

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