Number | Name | Date | Kind |
---|---|---|---|
2984817 | Zeffert | May 1961 | |
4210379 | Vachhani et al. | Jul 1980 | |
4345806 | McHenney | Aug 1982 | |
4410226 | Adduci et al. | Oct 1983 | |
4795380 | Frantz | Jan 1989 | |
4845589 | Weidler et al. | Jul 1989 | |
4983133 | Van Scyoc et al. | Jan 1991 |
Number | Date | Country |
---|---|---|
2428332 | Feb 1980 | FRX |
Entry |
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Reid Tool Catalog, "T-Bolts", pp. 49-50, Reid Tool Supply Co. Philadelphia, Pa. |