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| US4178181 | 14 Sep 1970 | 11 Dec 1979 | | Interference film photography |
| US5494787 | 30 Dec 1994 | 27 Feb 1996 | | Photosensitive element comprising a non-silver halide photosensitive layer and a reflecting layer comprising indium or gallium |
| US5629143 | 30 Dec 1994 | 13 May 1997 | | Photosensitive element comprising a photosensitive layer and a reflecting layer comprising indium or gallium |
| US5658719 | 1 May 1995 | 19 Aug 1997 | | Layered photosensitive elements comprising an angular reflecting layer and a photosensitive layer which records the interference patterns of light waves within it during exposure |
| US5935743 | 26 May 1995 | 10 Aug 1999 | | Viewable interference photographs made flexible by the use of an angular reflector during exposure |
