Inventor
OPPERMANN HENRY VERNON
US4 patents
⚠️ This page may combine multiple inventors who share the name “OPPERMANN HENRY VERNON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PEMBERTON FABRICATORS INC
3 patentsUS9228880B2Jan 5, 2016
Vapor elimination liquid proving system with top fill and bottom drain prover
PEMBERTON FABRICATORS INC3 citations67
US9885599B2Feb 6, 2018
Nozzle adapter for volumetric test and measurement apparatus
PEMBERTON FABRICATORS INC1 citations46
US9366562B2Jun 14, 2016
Vapor elimination liquid proving system with top or bottom fill and bottom drain prover
PEMBERTON FABRICATORS INC1 citations46