Number | Date | Country | Kind |
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CH98A0004 | Apr 1998 | IT |
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PCT/IT99/00111 | WO | 00 |
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---|---|---|---|
WO99/57615 | 11/11/1999 | WO | A |
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1500071 | Blanke | Jul 1924 | A |
3696609 | Dubois | Oct 1972 | A |
4228644 | Watanabe et al. | Oct 1980 | A |
6351435 | Kronenberg et al. | Feb 2002 | B1 |
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0 652 496 | May 1995 | EP |
60227188 | Nov 1985 | JP |
Entry |
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Meyers, F.H.E., “Letters: SI Time,” Engineering, vol. 28, Jul. 1969, pp. 50-51. |