Number | Name | Date | Kind |
---|---|---|---|
1381892 | Bute | Jun 1921 | A |
1483377 | Ragsdale et al. | Feb 1924 | A |
2729196 | Breitenbach | Jan 1956 | A |
2821165 | Wright | Jan 1958 | A |
3785344 | Patterson | Jan 1974 | A |
4171682 | Merino et al. | Oct 1979 | A |
4533008 | Ostermann | Aug 1985 | A |
4763606 | Ondrasik, II | Aug 1988 | A |
4955318 | Melhorn et al. | Sep 1990 | A |
4995335 | Wright | Feb 1991 | A |
5048460 | Sheaffer | Sep 1991 | A |
5113793 | Leader et al. | May 1992 | A |
5170746 | Roose | Dec 1992 | A |
5467734 | Ho | Nov 1995 | A |
5653194 | Guy | Aug 1997 | A |
5671697 | Rutman | Sep 1997 | A |
5988110 | Peterson | Nov 1999 | A |
Number | Date | Country |
---|---|---|
2135623 | Mar 1994 | CA |
2270319 | Apr 1999 | CA |
2270319 | Aug 1999 | CA |
Entry |
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Photographs (2) of a machine installed in Iowa in 1997-. |
Brochure entitled “Swine Robotics Jerome Mack” including a photograph entitled Robotic Boar Buddy. |
Photographs (2) of a machine built in Niverville, Manitoba, Canada and used at Select Weanling in Manitoba, Canada in 1998. |
Photographs (3) of a machine displayed at a Trade Show in Winnipeg Manitoba, Canada in Dec. 1998 by Danny Kleinsasser. |