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For the Inventor, By the Inventor

Lake Elmo, MN, United States of America

Rjc Products LLC


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 17

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2 inventors (with patents filed for the assignee):

goldMedal Richard Paul Bushman (3 out of 8 patents)

silverMedal Jerry Schueller (2 out of 2 patents)


3 patents:

1. 8752579 - Check valve for fluid injector (2014-06-17),
2. 8714200 - Check valve flap for fluid injector (2014-05-06),
3. 8256464 - Check valve flap for fluid injector (2012-09-04),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#2 in Lake Elmo, MN

#1,948 in Minnesota

#72,066 in US

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Lake Elmo, MN, United States of America

Rjc Products LLC

Forward Citations = 17

2 inventors:

goldMedal Richard Paul Bushman (3 out of 8 patents)

silverMedal Jerry Schueller (2 out of 2 patents)

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