Inventor
OROPALLO ROBERT A
US11 patents
⚠️ This page may combine multiple inventors who share the name “OROPALLO ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN BRASS & ALUMINUM FOUN
5 patentsUS4092745AJun 6, 1978
Drain structure
AMERICAN BRASS & ALUMINUM FOUN84 citations94
US5273077ADec 28, 1993
Test cap unit for sealed fitting
AMERICAN BRASS & ALUMINUM FOUN36 citations91
US5257648ANov 2, 1993
Pressure testing of tubular fitting installed to a ported wall
AMERICAN BRASS & ALUMINUM FOUN39 citations91
US4123810ANov 7, 1978
Drain and removable gooseneck structure
AMERICAN BRASS & ALUMINUM FOUN35 citations91
US4764993AAug 23, 1988
Two-position latchable drain valve
AMERICAN BRASS & ALUMINUM FOUN9 citations72