Assignee

RITTER JOHN

US2 patents

Top patents by PatentIndex Score

US8174950B2May 8, 2012

Optical tape embossing drum and optical tape embossing drum shim

RITTER JOHN10 citations89

US11410013B2Aug 9, 2022

Method of filling a slit in a metallic smartcard

RITTER JOHN0 citations49