Inventor

BERRY ROBERT W JR

US4 patents

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

FANSTEEL INC

2 patents

US4189265AFeb 19, 1980

Positive chip control insert

FANSTEEL INC39 citations86

US4210406AJul 1, 1980

Drill with replaceable inserts

FANSTEEL INC14 citations69

BERRY ROBERT W JR

1 patent

US4179001ADec 18, 1979

Underground drilling and casing method and apparatus

BERRY ROBERT W JR9 citations64

IBM

1 patent

US6973607B2Dec 6, 2005

Method and apparatus for testing electronic components

IBM5 citations57