Number | Name | Date | Kind |
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3095939 | Hine | Jul 1963 | A |
3800902 | Keller | Apr 1974 | A |
3924389 | Kita | Dec 1975 | A |
4145864 | Brewster, Jr. | Mar 1979 | A |
4306329 | Yokoi | Dec 1981 | A |
4318266 | Taube | Mar 1982 | A |
4450673 | Hutchison | May 1984 | A |
4559768 | Dunn | Dec 1985 | A |
4694639 | Chen et al. | Sep 1987 | A |
4777785 | Rafaels | Oct 1988 | A |
4879867 | Wenzel | Nov 1989 | A |
4887415 | Martin | Dec 1989 | A |
4896488 | Duncan et al. | Jan 1990 | A |
4964265 | Young | Oct 1990 | A |
5081365 | Field et al. | Jan 1992 | A |
5204814 | Noonan et al. | Apr 1993 | A |
5323593 | Cline et al. | Jun 1994 | A |
5385211 | Carroll | Jan 1995 | A |
5461292 | Zondlo | Oct 1995 | A |
5507137 | Norris | Apr 1996 | A |
5528888 | Miyamoto et al. | Jun 1996 | A |
5572856 | Ku | Nov 1996 | A |
5794422 | Reimers et al. | Aug 1998 | A |
5832703 | Evans | Nov 1998 | A |
5911670 | Angott et al. | Jun 1999 | A |
5974347 | Nelson | Oct 1999 | A |
6044922 | Field | Apr 2000 | A |
6082084 | Reimers et al. | Jul 2000 | A |
6089341 | Gingerich | Jul 2000 | A |
6109009 | Benson | Aug 2000 | A |
6301863 | Liebrecht | Oct 2001 | B1 |
6339735 | Pelles et al. | Jan 2002 | B1 |
Number | Date | Country |
---|---|---|
1 507 185 | Jan 1970 | DE |
295 09 472 | Oct 1995 | DE |
100 27 531 | Jan 2001 | DE |
WO 9728681 | Aug 1997 | WO |
Entry |
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Hammacher Schlemmer Brochure, 2 pages, dated Spring 2000. |
RoboMow, RoboMow Installation & Operation Guide, 8 pages, publication date—1999, publication location—unknown. |
RoboMow, RoboMow Product Information, 2 pages, Internet printing dated Dec. 8, 2000. |