Number | Name | Date | Kind |
---|---|---|---|
1872636 | Greening et al. | Aug 1932 | |
2521711 | Galliano | Sep 1950 | |
2573472 | Martin | Oct 1951 | |
4164153 | Moritsch et al. | Aug 1979 | |
4194407 | Gogins | Mar 1980 | |
4299581 | Korosue | Nov 1981 | |
4352297 | Nardi | Oct 1982 | |
4546990 | Harriger | Oct 1985 | |
4660427 | Fenton | Apr 1987 | |
4684143 | Sato | Aug 1987 | |
4697469 | Takamiya et al. | Oct 1987 | |
4789001 | Backe et al. | Dec 1988 | |
4811624 | Fritsch | Mar 1989 | |
5013288 | Parsons | May 1991 | |
5081877 | Mercat | Jan 1992 | |
5387000 | Sato | Feb 1995 | |
5454766 | Mills | Oct 1995 | |
5495926 | Rheingold | Mar 1996 | |
5516132 | Simkins | May 1996 | |
5632702 | Mills | May 1997 |
Number | Date | Country |
---|---|---|
0 208 473 | Jan 1987 | EPX |
393180 | Apr 1924 | DEX |
WO 9506829 | Mar 1995 | WOX |
WO 9702175 | Jan 1997 | WOX |
Entry |
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Pump replaces chain in bicycle drive--Pedal power circulates fluid to rotate wheel, Design News, Jun. 23, 1997. |