Dayton, OH, United States of America

Pmcma Research Group


USPTO Granted Patents = 2

Forward Citations = 15

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2 inventors (with patents filed for the assignee):

goldMedal David R Lankard (2 out of 9 patents)

silverMedal Walter A Hedden (2 out of 3 patents)


2 patents:

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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#172 in Dayton, OH

#3,638 in Ohio

#94,730 in US

Dayton, OH (US)
Dayton, OH, United States of America
Forward Citations = 15

2 inventors:

Please report any incorrect information to [email protected]
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