Inventor

PENTY ROBERT A

4 patents

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

HAGUE INT

2 patents

US4437217AMar 20, 1984

Composite ceramic heat exchange tube

HAGUE INT20 citations76

US4332295AJun 1, 1982

Composite ceramic heat exchange tube

HAGUE INT17 citations71

GTE LABORATORIES INC

2 patents

US4497228AFeb 5, 1985

Method of machining cast iron

GTE LABORATORIES INC15 citations72

US4433979AFeb 28, 1984

Abrasion resistant silicon nitride based articles

GTE LABORATORIES INC14 citations72