Roland E Cale (1 out of 10 patents)
Company Badge
USPTO Data Jan 1 1976 - Sep 22 2026
1 Patents
#636 in Pittsburgh, PA
#4,959 in Pennsylvania
#136,540 in US
Schaefer Manufacturing, Inc.
Forward Citations = 0
1 inventor:
Pittsburgh, PA, United States of America
Schaefer Manufacturing, Inc.
Forward Citations = 0
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1 inventor (with patents filed for the assignee):
1 patent:
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Please report any incorrect information to [email protected]