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For the Inventor, By the Inventor

San Leandro, CA, United States of America

Roofing Equipment, Inc.


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 12

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2 inventors (with patents filed for the assignee):

goldMedal Earle F Prater (2 out of 7 patents)

silverMedal Keith A Papulski (1 out of 1 patent)


3 patents:

1. 5294284 - Heat shield for carpet seaming iron (1994-03-15),
2. D297477 - Heat shield for carpet seaming irons (1988-08-30),
3. 4088369 - Oscillating mechanism for stripping machine (1978-05-09),
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USPTO Data Jan 1 1976 - Jan 20 2026

3 Patents

#45 in San Leandro, CA

#16,466 in California

#72,234 in US

San Leandro, CA (US)
San Leandro, CA, United States of America

Roofing Equipment, Inc.

Forward Citations = 12

2 inventors:

goldMedal Earle F Prater (2 out of 7 patents)

silverMedal Keith A Papulski (1 out of 1 patent)

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