Inventor

MARGRAF MICHAEL

DE3 patents

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

MARGRAF MICHAEL

1 patent

US8630551B2Jan 14, 2014

Method and system for characterizing an optical device

MARGRAF MICHAEL6 citations59

GRAYHILL

1 patent

US7355165B2Apr 8, 2008

Optical encoder and method for using same

GRAYHILL5 citations50

ASSA ABLOY AB

1 patent

US9990485B2Jun 5, 2018

Anti-passback algorithm for reading a public or secure object

ASSA ABLOY AB0 citations33