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For the Inventor, By the Inventor

Hazel Park, MI, United States of America

Universal Filters, Inc.


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 16

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1 inventor (with patents filed for the assignee):

goldMedal Lars O Rosaen (3 out of 29 patents)


3 patents:

1. 4498497 - Flow meter bypass valve assembly (1985-02-12),
2. 4495823 - Bidirectional flow meter (1985-01-29),
3. 4485672 - Tamper-proof cover for fluid flow monitor (1984-12-04),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#3 in Hazel Park, MI

#2,489 in Michigan

#73,732 in US

Hazel Park, MI (US)
Hazel Park, MI, United States of America

Universal Filters, Inc.

Forward Citations = 16

1 inventor:

goldMedal Lars O Rosaen (3 out of 29 patents)

Please report any incorrect information to [email protected]
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