Number | Name | Date | Kind |
---|---|---|---|
1948401 | Smith et al. | Feb 1934 | |
2050565 | Edwards et al. | Aug 1936 | |
3164376 | Clark | Jan 1965 | |
3286992 | Armeniades et al. | Nov 1966 | |
3297305 | Walden | Jan 1967 | |
3664638 | Grout et al. | May 1972 | |
3704006 | Grout et al. | Nov 1972 | |
3776274 | Riley | Dec 1973 | |
3800985 | Grout et al. | Apr 1974 | |
3861652 | Clark et al. | Jan 1975 | |
3922220 | Middleman et al. | Nov 1975 |
Number | Date | Country |
---|---|---|
730,881 | Jun 1955 | GBX |
Entry |
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Drawing No. 1793 of Komax Systems, Inc. |
Drawing No. 1790 of Komax Systems, Inc. |
Drawing No. 1866 of Komax Systems, Inc. |