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For the Inventor, By the Inventor

Winston-Salem, NC, United States of America

Blue Rhino Corporation


USPTO Granted Patents = 3

Trademarks = 4

Forward Citations = 54

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3 inventors (with patents filed for the assignee):

goldMedal Joseph T Culp (2 out of 2 patents)

silverMedal Richard Belmont (2 out of 2 patents)

bronzeMedal Michael A Waters (1 out of 75 patents)


3 patents:

1. 6470877 - Heating apparatus (2002-10-29),
2. 6057012 - Method for reconditioning a propane gas tank (2000-05-02),
3. 5922158 - Method for reconditioning a propane gas tank (1999-07-13),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#56 in Winston-Salem, NC

#1,553 in North Carolina

#71,994 in US

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Winston-Salem, NC, United States of America

Blue Rhino Corporation

Forward Citations = 54

3 inventors:

goldMedal Joseph T Culp (2 out of 2 patents)

silverMedal Richard Belmont (2 out of 2 patents)

bronzeMedal Michael A Waters (1 out of 75 patents)

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