Inventor

GRAF HELMUT

DE4 patents

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

STANDARD ELEKTRIK LORENZ AG

2 patents

US4719469AJan 12, 1988

Direction-determining system

STANDARD ELEKTRIK LORENZ AG41 citations90

US4704032ANov 3, 1987

Rotation rate measuring instrument

STANDARD ELEKTRIK LORENZ AG2 citations58

SIEMENS AG

1 patent

US6088901AJul 18, 2000

Method for producing a carrier element for semiconductor chips

SIEMENS AG24 citations92

REBAR COUPLERBOX INC

1 patent

US5100738AMar 31, 1992

Reinforced concrete containing coated steel reinforcing member

REBAR COUPLERBOX INC16 citations65