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STEPHENSON KEN

US2 patents

Top patents by PatentIndex Score

US8400260B2Mar 19, 2013

System and method for securing authorized access by a mobile data device of a document processing device

STEPHENSON KEN2 citations57

US9880295B2Jan 30, 2018

Integrated coupling of scintillation crystal with photomultiplier in a detector apparatus

STEPHENSON KEN1 citations47