Number | Name | Date | Kind |
---|---|---|---|
2415649 | Matthysse | Feb 1947 | |
2616646 | Matthysse | Nov 1952 |
Number | Date | Country |
---|---|---|
1,100,125 | Feb 1961 | DT |
Entry |
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Delta Star Electric Co. Catalog Bulletin 31-C entitled "Indoor Bus Supports and Fittings". |
Advertisement entitled "Bus Supports", Electrical World, June 15, 1974, p. 85. |