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Inventor
MERCADO HECTOR P
US
5 patents
⚠️ This page may combine multiple inventors who share the name “MERCADO HECTOR P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERON INC
2 patents
US4875710A
Oct 24, 1989
Abrasive threaded fiberglass pipe joint
AMERON INC
33 citations
89
US5108135A
Apr 28, 1992
Fiber reinforced plastic pipe tee
AMERON INC
10 citations
70
FRIEDRICH RALPH S
2 patents
US9057204B2
Jun 16, 2015
Fiber reinforced resin polymer mortar pole
FRIEDRICH RALPH S
9 citations
79
US9879440B2
Jan 30, 2018
Fiber reinforced resin polymer mortar pole
FRIEDRICH RALPH S
0 citations
47
(unassigned)
1 patent
US6170891B1
Jan 9, 2001
Closure for secondary containment pipe
9 citations
69