Number | Name | Date | Kind |
---|---|---|---|
2420864 | Chilowsky | May 1947 | |
2803129 | Bradfield | Aug 1957 | |
3054084 | Parssinen et al. | Sep 1962 | |
3242552 | Cowan | Mar 1966 | |
3448503 | Trott et al. | Jun 1969 | |
3495617 | Cook et al. | Feb 1970 | |
3666979 | McElroy | May 1972 | |
3943387 | Veith | Mar 1976 | |
4021922 | Goldberg | May 1977 | |
4030175 | McShane | Jun 1977 | |
4227111 | Cross et al. | Oct 1980 | |
4283178 | Tetzlaff | Aug 1981 | |
4385255 | Yamaguchi et al. | May 1983 | |
4403382 | Facoetti et al. | Sep 1983 | |
4514247 | Zola | Apr 1985 | |
4530139 | Miller | Jul 1985 | |
4564980 | Diepers | Jan 1986 | |
4611372 | Enjoji et al. | Sep 1986 | |
4617707 | Mohaupt et al. | Oct 1986 | |
4783888 | Fujii et al. | Nov 1988 | |
4803763 | Eturo et al. | Feb 1989 | |
4869768 | Zola | Sep 1989 | |
4876776 | Whatmore et al. | Oct 1989 | |
4992692 | Dias | Feb 1991 | |
5191687 | Dam et al. | Mar 1993 |
Number | Date | Country |
---|---|---|
21823 | Feb 1977 | JPX |
7211 | Jan 1984 | JPX |
9218256 | Oct 1992 | WOX |
Entry |
---|
"Flexible Composite Transducers" Skinner et al, Mat. Res. Bull., vol. 13, No. 6, Perganon Press Inc., Jun. 1978, pp. 599-607. |
Patent Abstracts of Japan, vol. 9, No. 279, Nov. 7, 1984, 60 122 175. |