Ronald L Barrett (1 out of 13 patents)
Company Badge
USPTO Data Jan 1 1976 - Dec 9 2025
1 Patents
#17 in Moon Township, PA
#4,882 in Pennsylvania
#133,893 in US
North America Refractories Company
Forward Citations = 1
1 inventor:
Moon Township, PA, United States of America
North America Refractories Company
Trademarks = 1
Forward Citations = 1
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1 inventor (with patents filed for the assignee):
1 patent:
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