Number | Name | Date | Kind |
---|---|---|---|
2242821 | Fanslow | May 1941 | |
3232145 | Wilson | Feb 1966 | |
3870432 | Strybel | Mar 1975 | |
4405269 | Hertzler | Sep 1983 | |
4678380 | Zahuranec et al. | Jul 1987 |
Entry |
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Armstrong Tool Catalog 700-A, p. 18, Steel Knurls, Coarse 14 Pitch/Catalog Boxes-290. |