This application is a division, of application number 08/393,050, filed Feb. 23, 1995, now U.S. Pat. No. 5,534,386 which is a continuation of application number 08/097,953, filed Jul. 27, 1993 abandoned.
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4336978 | Suzuki | Jun 1982 | |
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4427265 | Suzuki et al. | Jan 1984 | |
4428648 | Wiley | Jan 1984 | |
4481414 | Gasper | Nov 1984 | |
4523807 | Suzuki | Jun 1985 | |
4543225 | Beaujean | Sep 1985 | |
4545646 | Chern et al. | Oct 1985 | |
4558922 | Smith | Dec 1985 | |
4567123 | Ohtaka et al. | Jan 1986 | |
4888201 | Veenvliet et al. | Dec 1989 | |
4968117 | Chern et al. | Nov 1990 | |
5046793 | Hockley et al. | Sep 1991 | |
5048925 | Gerritsen et al. | Sep 1991 | |
5300263 | Hoopman et al. | Apr 1994 | |
5365354 | Jannson et al. | Nov 1994 | |
5521030 | McGrew | May 1996 | |
5534386 | Petersen et al. | Jul 1996 | |
5609939 | Petersen | Mar 1997 |
Number | Date | Country |
---|---|---|
479490 | Apr 1992 | EPX |
53-51755 | JPX | |
53-42726 | Apr 1978 | JPX |
53-042726 | Apr 1978 | JPX |
61-86221 | May 1986 | JPX |
62-12939 | Jan 1987 | JPX |
62-12939 | Jun 1987 | JPX |
Entry |
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Blazed Holographic Gratings -- Formation by Surface Waves and Replication by Metal Electroforming, James J. Cowan, Polaroid Corporation, SPIE vol. 240 (1980), pp. 5-12. |
High-Contrast High-Brightness Rear-Protection Display for High-Defination TV, Ando et al, Proceedings of the SID, vol. 26/4, 1985, pp. 315-321. |
Holographic and Interferometric Viewing Screens, Dietrich Meyerhofer, Applied Optics, vol. 12, No. 9, Sep. 1973, pp. 2180-2184. |
Dialog, JPO & Japio Database, Accession No. 00240726, (i.e., record including an English language abstract for JP 53042726 A), dated Jun. 17, 1978. |
Cowan, J.J. "Blazed Holographic Gratings . . . " SPI vol. 240 Proc. Soc. Phto-opt Instrum. Eng. 1980, pp.5-12. |
Number | Date | Country | |
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Parent | 393050 | Feb 1995 |
Number | Date | Country | |
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Parent | 097953 | Jul 1993 |