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For the Inventor, By the Inventor

Baltimore, MD, United States of America

Productmasters, Inc.


USPTO Granted Patents = 3

% Expired Patents = 33.3

Trademarks = 1

Forward Citations = 246

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3 inventors (with patents filed for the assignee):

goldMedal Kip L Fuller (2 out of 19 patents)

silverMedal Catherine Chetelat (1 out of 2 patents)

bronzeMedal Michael Chetelat (1 out of 2 patents)


3 patents:

1. 7640602 - Assembled anti-creep waist-clothing stay device and method of reinforcing crotch-adjacent inner-seam areas (2010-01-05),
2. 4584718 - Waterproof enclosure for portable radio or tape player (1986-04-22),
3. D278761 - Waterproof belt container for portable radio or tape player (1985-05-14),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#149 in Baltimore, MD

#1,101 in Maryland

#73,727 in US

Baltimore, MD (US)
Baltimore, MD, United States of America

Productmasters, Inc.

Forward Citations = 246

3 inventors:

goldMedal Kip L Fuller (2 out of 19 patents)

silverMedal Catherine Chetelat (1 out of 2 patents)

bronzeMedal Michael Chetelat (1 out of 2 patents)

Please report any incorrect information to [email protected]
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