Inventor

ELBRECHT RUDOLF

US3 patents

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

COLIN ELECTRONICS

1 patent

US5243992ASep 14, 1993

Pulse rate sensor system

COLIN ELECTRONICS130 citations94

COLIN ELECTRONICS COMPANY LTD

1 patent

US5176143AJan 5, 1993

Tonometer transducer positioning system

COLIN ELECTRONICS COMPANY LTD73 citations92

NATOMAS ENERGY COMPANY

1 patent

US4416764ANov 22, 1983

Method and appratus for extracting tar sand

NATOMAS ENERGY COMPANY38 citations83