Inventor

FREY ROBERT J

US3 patents

⚠️ This page may combine multiple inventors who share the name “FREY ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FREY ROBERT J

2 patents

US9752403B1Sep 5, 2017

Well remediation method and apparatus

FREY ROBERT J4 citations62

US10494887B1Dec 3, 2019

Well remediation method and apparatus

FREY ROBERT J0 citations41

ALLEN BRADLEY CO

1 patent

US4250477AFeb 10, 1981

Mechanical latch apparatus

ALLEN BRADLEY CO5 citations58