Inventor

VALENTINE DANIEL R

US3 patents

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

FREUND PRECISION INC

2 patents

US4544184AOct 1, 1985

Tamper-proof identification card and identification system

FREUND PRECISION INC131 citations93

US4253095AFeb 24, 1981

Alarm apparatus for detecting disturbance or other change of condition

FREUND PRECISION INC13 citations71

ENERGY INNOVATIONS

1 patent

US4587513AMay 6, 1986

Noncontact shaft angle detector

ENERGY INNOVATIONS27 citations89