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For the Inventor, By the Inventor

Monroe, MI, United States of America

Pump Engineering, Inc.


USPTO Granted Patents = 3


Forward Citations = 169

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2 inventors (with patents filed for the assignee):

goldMedal Robert A Oklejas (3 out of 22 patents)

silverMedal Eli Oklejas, Jr (1 out of 11 patents)


3 patents:

1. 6139740 - Apparatus for improving efficiency of a reverse osmosis system (2000-10-31),
2. 6036435 - Thrust bearing (2000-03-14),
3. 5951169 - Thrust bearing (1999-09-14),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#14 in Monroe, MI

#2,489 in Michigan

#73,741 in US

Monroe, MI (US)
Monroe, MI, United States of America

Pump Engineering, Inc.

Forward Citations = 169

2 inventors:

goldMedal Robert A Oklejas (3 out of 22 patents)

silverMedal Eli Oklejas, Jr (1 out of 11 patents)

Please report any incorrect information to [email protected]
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