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For the Inventor, By the Inventor

Doylestown, PA, United States of America

Waldrum Specialties, Inc.


USPTO Granted Patents = 3


Forward Citations = 30

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2 inventors (with patents filed for the assignee):

goldMedal John E Waldrum (3 out of 20 patents)

silverMedal Roy R Johnson (1 out of 2 patents)


3 patents:

1. 5823436 - Micro orifice nozzle having fan spray pattern (1998-10-20),
2. 5518183 - Micro-orifice nozzle (1996-05-21),
3. 5248086 - Thin invert compositions for spray application (1993-09-28),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#19 in Doylestown, PA

#2,627 in Pennsylvania

#72,067 in US

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Doylestown, PA, United States of America

Waldrum Specialties, Inc.

Forward Citations = 30

2 inventors:

goldMedal John E Waldrum (3 out of 20 patents)

silverMedal Roy R Johnson (1 out of 2 patents)

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