Inventor
NYFELER ALEX
CH7 patents
⚠️ This page may combine multiple inventors who share the name “NYFELER ALEX”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LANDIS & GYR AG
5 patentsUS4223050ASep 16, 1980
Process for embossing a relief pattern into a thermoplastic information carrier
LANDIS & GYR AG96 citations95
US4211918AJul 8, 1980
Method and device for identifying documents
LANDIS & GYR AG138 citations95
US4556378ADec 3, 1985
Apparatus for embossing high resolution relief patterns
LANDIS & GYR AG82 citations94
US4376887AMar 15, 1983
Device for the thermal erasure of mechanically readable optical markings
LANDIS & GYR AG92 citations92
US4125760ANov 14, 1978
Relief pattern impressing apparatus
LANDIS & GYR AG13 citations72