Inventor · disambiguated record
David W. Butcher
Also filed as: BUTCHER DAVID W
8 granted patents·42 citations·filing 1986–1989
84Inventor score
Top patents by PatentIndex Score
8 records- 0164US4816360AMulticolor holograms using gelatin as the binder and method for producing the sameCIBA GEIGY AG·Filed 1986·Granted Mar 28, 1989·9 cites·18 claims
- 0253US4769301AMethod of preparing holograms and the holograms prepared therebyCIBA GEIGY AG·Filed 1986·Granted Sep 6, 1988·6 cites·6 claims
- 0349US4788115AProcessing hologramsCIBA GEIGY AG·Filed 1986·Granted Nov 29, 1988·11 cites·13 claims
- 0448US4769300AA method of preparing a hologram having an increased replay wavelength and resulting hologramCIBA GEIGY AG·Filed 1986·Granted Sep 6, 1988·5 cites·21 claims
- 0541US4720441AMethod of preparing a hologramCIBA GEIGY AG·Filed 1986·Granted Jan 19, 1988·7 cites·12 claims
- 0634US4826745AMethod of preparing a hologramCIBA GEIGY AG·Filed 1987·Granted May 2, 1989·2 cites·4 claims
- 0727US4748097AMethod of preparing a hologramCIBA GEIGY AG·Filed 1986·Granted May 31, 1988·1 cites·6 claims
- 0824US4966440APost-exposure dye treatment in the production of hologramsILFORD LTD·Filed 1989·Granted Oct 30, 1990·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →