Number | Name | Date | Kind |
---|---|---|---|
2015159 | Rosenberg | Sep 1935 | |
3337925 | Meyer | Aug 1967 |
Number | Date | Country |
---|---|---|
0001885 | Aug 1958 | GBX |
Entry |
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Stake Fastener Co.; Cat. 302F; p. 5; Screw (top of page). |
Eskay 1980 Stock list; p. 27; ES-Seal Screw (upper right). |