Number | Name | Date | Kind |
---|---|---|---|
4265557 | Runge | May 1981 | |
4297044 | Hornberg et al. | Oct 1981 | |
4687200 | Shirai | Aug 1987 |
Number | Date | Country |
---|---|---|
1158381 | May 1985 | SUX |
Entry |
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"Spreadable Pattern Impact Tester", R. L. Bellamy, IBM Technical Disclosure Bulletin, vol. 25, No. 7A, Dec. 1982. |