David W. Butcher
8Patents
4h-index
7Co-inventors
39Inventor score
Filing activity: Jun 24, 1986 → Mar 22, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4788115A | Processing holograms | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4769300A | A method of preparing a hologram having an increased replay wavelength and resulting hologram | Physics | 5 | Expired |
| US4816360A | Multicolor holograms using gelatin as the binder and method for producing the same | Physics | 5 | Expired |
| US4769301A | Method of preparing holograms and the holograms prepared thereby | Physics | 5 | Expired |
| US4720441A | Method of preparing a hologram | Physics | 3 | Expired |
| US4826745A | Method of preparing a hologram | Physics | 2 | Expired |
| US4748097A | Method of preparing a hologram | Physics | 1 | Expired |
| US4966440A | Post-exposure dye treatment in the production of holograms | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.