Number | Name | Date | Kind |
---|---|---|---|
2076934 | Burckhalter | Apr 1937 | |
2459376 | Hallinan | Jan 1949 | |
2731150 | McCann | Jan 1956 | |
3504803 | Brayman | Apr 1970 | |
3986960 | Wire et al. | Oct 1976 | |
4017400 | Schade | Apr 1977 | |
4366057 | Bridges et al. | Dec 1982 | |
4454036 | Suzuki | Jun 1984 | |
4575422 | Zimmer | Mar 1986 | |
4579657 | Hood, Jr. et al. | Apr 1986 | |
4588503 | Sigiura | May 1986 | |
4738776 | Brown | Apr 1988 | |
4751901 | Moor | Jun 1988 | |
4773990 | Hood, Jr. | Sep 1988 | |
4773999 | Schade | Sep 1988 | |
4780204 | Rasmussen et al. | Oct 1988 | |
4783262 | Ostreicher et al. | Nov 1988 | |
4792397 | Rasmussen | Dec 1988 | |
4853120 | Frantz | Aug 1989 | |
4869820 | Yee | Sep 1989 | |
4876007 | Naruo et al. | Oct 1989 | |
4976852 | Janik et al. | Dec 1990 | |
5080791 | Sims | Jan 1992 | |
5178753 | Trabold | Jan 1993 | |
5232588 | Gryder | Aug 1993 | |
5247876 | Wilson et al. | Sep 1993 | |
5271850 | Stutzman | Dec 1993 | |
5486290 | McGuinness et al. | Jan 1996 |
Number | Date | Country |
---|---|---|
534420 | Dec 1956 | CA |
WO 8805335 | Jul 1988 | DE |
WO 8906567 | Jul 1989 | GB |
2220866A | Jan 1990 | GB |
47-1744 | Jan 1972 | JP |
47-13219 | Apr 1972 | JP |
Entry |
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Hydra-Tech Hydraulics, Inc. sales brochure (8 pages), date uncertain. |