Inventor

STEVENSON JOHN L

GB3 patents

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

POST OFFICE

2 patents

US4181515AJan 1, 1980

Method of making dielectric optical waveguides

POST OFFICE25 citations79

US4194954AMar 25, 1980

Electrolytic etch preparation of semiconductor surfaces

POST OFFICE7 citations69

COSDEN TECHNOLOGY

1 patent

US4098847AJul 4, 1978

Process for making high impact polymers from diene polymer and vinyl aromatics

COSDEN TECHNOLOGY9 citations70