Inventor
SCHRYER NORMAN L
US8 patents
⚠️ This page may combine multiple inventors who share the name “SCHRYER NORMAN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T IP I LP
3 patentsUS11341498B2May 24, 2022
Method and device for end-user verification of an electronic transaction
AT & T IP I LP3 citations72
US10229410B2Mar 12, 2019
Method and device for end-user verification of an electronic transaction
AT & T IP I LP0 citations51
US8799665B2Aug 5, 2014
Proof-of-purchase watermarks
AT & T IP I LP0 citations51