Number | Name | Date | Kind |
---|---|---|---|
D25526 | Braum et al. | Dec 1896 | |
D232355 | Weidmann | Aug 1974 | |
893469 | Essmuller et al. | Jul 1908 | |
2587221 | Richardson et al. | Feb 1952 | |
2955722 | Antonious | Oct 1960 | |
3085705 | Varney | Apr 1963 | |
3223269 | Williams | Dec 1965 | |
3317069 | Chin | May 1967 | |
3606074 | Hayes | Sep 1971 | |
3607098 | Strande | Sep 1971 | |
3655089 | Tower | Apr 1972 | |
3807457 | Logsdon | Apr 1974 | |
3807955 | Note, Jr. et al. | Apr 1974 | |
3826397 | Atkins | Jul 1974 | |
3850341 | Bart | Nov 1974 | |
3980268 | Ellis | Sep 1976 | |
4065358 | Kawai et al. | Dec 1977 | |
4094641 | Friswell | Jun 1978 | |
4106907 | Charlton et al. | Aug 1978 | |
4244920 | Manschot et al. | Jan 1981 | |
4278437 | Haggar | Jul 1981 | |
4335730 | Griffin | Jun 1982 | |
4542833 | DeVaughn | Sep 1985 | |
4583668 | Maynard, Jr. | Apr 1986 | |
4755356 | Robbins et al. | Jul 1988 | |
4761379 | Williams et al. | Aug 1988 | |
4799599 | Herrmann | Jan 1989 | |
4859423 | Perlman | Aug 1989 | |
4886177 | Foster | Dec 1989 | |
4927605 | Dorn et al. | May 1990 | |
4965187 | Tonelli | Oct 1990 | |
4980293 | Jeffs | Dec 1990 | |
5038958 | Dreier | Aug 1991 | |
5071766 | Barr et al. | Dec 1991 | |
5102631 | Jordan et al. | Apr 1992 | |
5139951 | Butz et al. | Aug 1992 | |
5167929 | Korf et al. | Dec 1992 | |
5180555 | Monget | Jan 1993 | |
5225165 | Perlman | Jul 1993 | |
5242660 | Hsei | Sep 1993 | |
5244637 | Pratellesi et al. | Sep 1993 | |
5254312 | Staebler et al. | Oct 1993 | |
5275299 | Konrad et al. | Jan 1994 | |
5288466 | Burns | Feb 1994 | |
5377854 | Cusack | Jan 1995 | |
5384096 | Burns | Jan 1995 | |
5392949 | McKenna | Feb 1995 | |
5431884 | McDonough et al. | Jul 1995 | |
5441895 | Jakubowicz et al. | Aug 1995 | |
5501841 | Lee et al. | Mar 1996 | |
5725832 | Gundelsheimer | Mar 1998 |
Entry |
---|
Cole-Parmer Instrument Company Catalog, p. 698, item L-06334-30, Dec. 1992. |