Inventor

SPRINGER EDWARD A

US3 patents

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

SPRINGER EDWARD A

2 patents

US4577435AMar 25, 1986

Micro-climate temperature control apparatus

SPRINGER EDWARD A33 citations89

US4411101AOct 25, 1983

Apparatus and method for heating the root zone of plants

SPRINGER EDWARD A14 citations70

US ENERGY

1 patent

US4731840AMar 15, 1988

Method for encryption and transmission of digital keying data

US ENERGY209 citations91