Number | Name | Date | Kind |
---|---|---|---|
1995926 | Kirby | Mar 1935 | |
2106986 | Pearce | Feb 1938 | |
2120139 | Tholl | Jun 1938 | |
3279686 | Hubmann | Oct 1966 | |
3300051 | Mitchell | Jan 1967 | |
3311236 | Hurst | Mar 1967 | |
3647135 | Mercier | Mar 1972 | |
3658179 | Baumann et al. | Apr 1972 | |
3946940 | Tadokoro | Mar 1976 | |
4061480 | Frye et al. | Dec 1977 | |
4234449 | Wolson | Nov 1980 | |
4357962 | Shaw, deceased et al. | Nov 1982 | |
4585558 | Rubin | Apr 1986 | |
4586624 | Shaw | May 1986 | |
4698156 | Bumpers | Oct 1987 | |
4722792 | Miyagi et al. | Feb 1988 | |
4724076 | Deguchi et al. | Feb 1988 |
Number | Date | Country |
---|---|---|
2814199 | Oct 1979 | DEX |
3629374 | Mar 1988 | DEX |
Entry |
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"Donaldson HIPAC Centrifuge", Donaldson Company, Inc. (Technical Information). |