Number | Name | Date | Kind |
---|---|---|---|
2893041 | Schafer | Jul 1959 | |
2975307 | Schroeder | Mar 1961 | |
3805511 | Adler et al. | Apr 1974 | |
3838299 | Elkuch | Sep 1974 | |
4205362 | Butterfield | May 1980 | |
4520375 | Kroll | May 1985 | |
4642504 | Jacobsen | Feb 1987 | |
4689529 | Higuichi | Aug 1987 | |
4736127 | Jacobsen | Apr 1988 | |
4754185 | Gabriel et al. | Jun 1988 | |
4760302 | Jacobsen | Jul 1988 | |
4767973 | Jacobsen et al. | Aug 1988 | |
4789803 | Jacobsen et al. | Dec 1988 | |
4814657 | Yano | Mar 1989 | |
4922143 | Gosdowski | May 1990 |
Number | Date | Country |
---|---|---|
0972380 | Jun 1959 | DEX |
0136978 | Jun 1988 | JPX |
0694962 | Oct 1979 | SUX |
0744877 | Jun 1990 | SUX |
Entry |
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