Number | Name | Date | Kind |
---|---|---|---|
490484 | Mackaye | Jan 1893 | |
586983 | Wharton, Jr. | Jul 1897 | |
1181406 | Potter | May 1916 | |
1773749 | Peterson | Aug 1930 | |
3161350 | Lorcher | Dec 1964 | |
3557559 | Barr | Jan 1971 | |
3562823 | Koster | Feb 1971 | |
3973405 | Duport | Aug 1976 | |
4062192 | Biewer | Dec 1977 | |
4201496 | Andersen | May 1980 | |
4229969 | Hark | Oct 1980 | |
4406162 | Hark | Sep 1983 | |
4507018 | Andersen | Mar 1985 | |
4587841 | Giovachini et al. | May 1986 | |
4660805 | Hahn et al. | Apr 1987 |
Entry |
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Davis Engineering Project Profile, Serpentine Wave Generator, Jul. 1983. |
Hydraulics and Pneumatics, Ideas and Applications, Jun., 1986. |