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Inventor
ADSHEAD ALAN
GB
3 patents
⚠️ This page may combine multiple inventors who share the name “ADSHEAD ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY AG
2 patents
US4720441A
Jan 19, 1988
Method of preparing a hologram
CIBA GEIGY AG
7 citations
70
US4748097A
May 31, 1988
Method of preparing a hologram
CIBA GEIGY AG
1 citations
49
CIBA GEIGY CORP
1 patent
US4895419A
Jan 23, 1990
Contact copying of reflection or volume holograms
CIBA GEIGY CORP
22 citations
79