Inventor
GWILLIM ROBERT
US4 patents
Patents
4 patentsUS7547051B2Jun 16, 2009
Locking system for grade level enclosures
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US10358285B2Jul 23, 2019
Thermoset polymer utility vault lid
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US10265890B2Apr 23, 2019
Method of manufacturing a thermoset polymer utility vault lid
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US11613052B2Mar 28, 2023
Mold for manufacturing a fiber reinforced polymer utility vault lid
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