Number | Name | Date | Kind |
---|---|---|---|
3705469 | Eriksson | Dec 1972 | |
3715850 | Chambers | Feb 1973 | |
3884008 | Miller | May 1975 | |
4412407 | Melfi et al. | Nov 1983 | |
5205690 | Roth | Apr 1993 | |
5337534 | Nasca | Aug 1994 |
Number | Date | Country |
---|---|---|
1217266 | May 1968 | GBX |
Entry |
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Pipe Hangers and Supports/Tolco Incorporated/Nov. 1, 1990 pp. 67, 68, 69. |
Pipe and Conduit Support Systems/Kin-Line, Inc./1986 pp. 88 and 89. |
Price list No. 291/Michigan Hanger Co., Inc./Feb. 1, 1991 p. 35. |