Inventor

ANTES GREGOR

CH16 patents

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

LANDIS & GYR AG

10 patents

US5101184AMar 31, 1992

Method and apparatus for producing a relief pattern with a microscopic structure, in particular having an optical diffraction effect

LANDIS & GYR AG112 citations96

US4501439AFeb 26, 1985

Document having a security feature and method of determining the authenticity of the document

LANDIS & GYR AG108 citations96

US4984824AJan 15, 1991

Document with an optical diffraction safety element

LANDIS & GYR AG144 citations95

US4556378ADec 3, 1985

Apparatus for embossing high resolution relief patterns

LANDIS & GYR AG82 citations94

US4685138AAug 4, 1987

System for the display and scanning of the contents of a counter equipped with counting wheels

LANDIS & GYR AG24 citations80

US4297001AOct 27, 1981

Projection screen and method for making same

LANDIS & GYR AG18 citations73

LANDIS & GYR BETRIEBS AG

6 patents

US5106125AApr 21, 1992

Arrangement to improve forgery protection of credit documents

LANDIS & GYR BETRIEBS AG172 citations99

US5032003AJul 16, 1991

Optially variable surface pattern

LANDIS & GYR BETRIEBS AG174 citations99

US5714213AFeb 3, 1998

Securtiy element

LANDIS & GYR BETRIEBS AG56 citations94

US5538753AJul 23, 1996

Security element

LANDIS & GYR BETRIEBS AG55 citations94

US5104471AApr 14, 1992

Interlaminar sandwich with diffraction structure

LANDIS & GYR BETRIEBS AG56 citations94

US5109767AMay 5, 1992

Device for the embossing of fine structures

LANDIS & GYR BETRIEBS AG108 citations92