Number | Name | Date | Kind |
---|---|---|---|
1836951 | Blakeslee | Dec 1931 | |
1891212 | Blakeslee | Dec 1932 | |
2030799 | Parsons | Feb 1936 | |
2249977 | Penfold | Jul 1941 | |
2271588 | Hecht et al. | Feb 1942 | |
3171939 | Ustin | Mar 1965 | |
4115669 | Cali | Sep 1978 | |
4150271 | McMillen | Apr 1979 | |
4160889 | Tognazzini et al. | Jul 1979 |
Entry |
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Meter Devices Company, Inc., "Compact Meter and relay Knife Type Test Switches", Bulletin No. CS-474, 1981, OH, pp. 1-8. |
Meter Devices Company, Inc., "Mini Compact Meter and Relay Knife Type Test Switches", Bulletin No. MCS-1073, OH, pp.1-8. |
Avo International, "States Terminal Blocks and Test Switches", 1994, pp. 1-51. |
Meter Devices Company, Inc., "Test Switches and Autoformers", 1991, OH, pp. 1-21. |
Meter Devices Company, Inc., "Metal Enclosures", 1995, OH, pp. 1-21. |