Number | Name | Date | Kind |
---|---|---|---|
1362034 | Olson | Dec 1920 | |
2941650 | Clinton | Jun 1960 | |
2956381 | Chauvin et al. | Oct 1960 | |
3116822 | Carus | Jan 1964 | |
3407916 | Engeler | Oct 1968 | |
3491901 | Pearne et al. | Jan 1970 | |
3700127 | Kurk et al. | Oct 1972 | |
4003464 | Zappia | Jan 1977 | |
4081073 | Zappia | Mar 1978 | |
4157137 | Hardouin | Jun 1979 | |
4290517 | Hafferkamp | Sep 1981 | |
4371076 | Nakao | Feb 1983 | |
4440289 | Weis | Apr 1984 | |
4614473 | Kwauka et al. | Sep 1986 | |
4756400 | Funo et al. | Jul 1988 | |
4765790 | Besemann | Aug 1988 | |
5092449 | Bolin et al. | Mar 1992 | |
5186306 | Sjostrand | Feb 1993 |
Entry |
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Dec. 11, 1995 Drawing and description of the concept from cross-over/stacker model M1202 sold by Douglas Machine prior to filing of the present application. |
Dec. 8, 1995 Drawing and description of the concept from lane divider model M2397 sold by Douglas Machine prior to filing of the present application. |