Number | Date | Country | Kind |
---|---|---|---|
10-108248 | Apr 1998 | JP | |
10-108249 | Apr 1998 | JP | |
10-336338 | Nov 1998 | JP |
Number | Name | Date | Kind |
---|---|---|---|
3878673 | Meitinger | Apr 1975 | A |
4122663 | Kock | Oct 1978 | A |
5788014 | Saint et al. | Aug 1998 | A |
Number | Date | Country |
---|---|---|
280369 | Jan 1952 | CH |
8-5758 | Jan 1996 | JP |
9-21886 | Jan 1997 | JP |
Entry |
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“Standard Timepiece Technology Reader”, Japan Chapter of the U.S. Watch Society, 5th Edition, Jan. 25, 1998, pp. 160-161. |
“Theoretical Horology”, Grossman, pp. 69-71. |
“The Horological International Correspondence”, Oct. 15, 1995, vol. 36, No. 426, pp. 358-363. |