Number | Date | Country | Kind |
---|---|---|---|
3-91358 | Mar 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2595325 | Baumgartner | May 1952 | |
3599584 | Fowler | Aug 1971 | |
3848554 | Kropf | Nov 1974 | |
4467739 | Hager et al. | Aug 1984 | |
4488803 | Nishihama et al. | Dec 1984 | |
4607836 | Miyasaka | Aug 1986 | |
4754674 | Perlman | Jul 1988 | |
4914473 | Matsukawa et al. | Apr 1990 | |
5052317 | Schips | Oct 1991 |
Number | Date | Country |
---|---|---|
0117294 | Sep 1984 | EPX |
0326080 | Aug 1989 | EPX |
1-123239 | May 1989 | JPX |
1-123240 | May 1989 | JPX |
3-238438 | Oct 1991 | JPX |
Entry |
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Patent Abstracts of Japan; vol. 13, No. 66(P-828) Feb. 15, 1989 & JP-A-63 254 436 (Fuji Film Co., Ltd.) Oct. 21, 1988. |