Number | Name | Date | Kind |
---|---|---|---|
1452875 | Healy | Apr 1923 | |
2603455 | Welch | Jul 1952 | |
2780440 | Krieger | Feb 1957 | |
2927513 | Dove | Mar 1960 | |
2946568 | Ogden | Jul 1960 | |
3385617 | Gehring | May 1968 | |
3519292 | Krikorian | Jul 1970 | |
3776520 | Charles et al. | Dec 1973 | |
3963218 | Glaesener | Jun 1976 | |
4461461 | Caron | Jul 1984 | |
4516756 | Beatty | May 1985 | |
4540160 | Zanavich et al. | Sep 1985 | |
4702459 | Moschner | Oct 1987 | |
4750713 | Hirose | Jun 1988 | |
4892292 | Russell | Jan 1990 | |
4930754 | Caron et al. | Jun 1990 | |
4953830 | Weaver, III | Sep 1990 |
Number | Date | Country |
---|---|---|
2011007 | Jul 1979 | GBX |
Entry |
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Drawing specification for a modular rail system by the Spiratex Company, Feb. 11, 1991. |