Number | Date | Country | Kind |
---|---|---|---|
96 01117 | Jan 1996 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4713718 | Quayle | Dec 1987 | |
5390081 | St. Pierre | Feb 1995 | |
5557506 | Wood et al. | Sep 1996 |
Number | Date | Country |
---|---|---|
0 214 025 | Mar 1987 | EPX |
WO 8101092 | Apr 1981 | WOX |
Entry |
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Michael BABB, "Low-Cost Motor Protection Becomes Reality in the 1990s", Control Engineering, vol. 41, No.13, (1994), pp. 43-45. |