Number | Name | Date | Kind |
---|---|---|---|
2604667 | Hebeler | Jul 1952 | |
2957747 | Bowling | Oct 1960 | |
3091015 | Zimmerman | May 1963 | |
3257487 | Dulin, Jr. | Jun 1966 | |
3271818 | Bryan | Sep 1966 | |
3313001 | Finzel et al. | Apr 1967 | |
3707593 | Fukada et al. | Dec 1972 | |
3929542 | Gehrig et al. | Dec 1975 | |
3954361 | Page | May 1976 | |
4134882 | Frankfort et al. | Jan 1979 | |
4156071 | Knox | May 1979 | |
4195051 | Frankfort et al. | Mar 1980 | |
4202855 | Gerking et al. | May 1980 | |
4288207 | Wilkes | Sep 1981 | |
4402900 | Berry, Jr. | Sep 1983 | |
4405297 | Appel et al. | Sep 1983 | |
4415726 | Tanji et al. | Nov 1983 | |
4425293 | Vassilatos | Jan 1984 |
Number | Date | Country |
---|---|---|
48-43563 | Dec 1973 | JPX |
56-13806 | Mar 1981 | JPX |
Entry |
---|
Research Disclosure Journal Disclosure No. 10418, Dec. 1972. |
Fiber World, Sep. 1984, pp. 8-12. |