Number | Name | Date | Kind |
---|---|---|---|
3911316 | Feick et al. | Oct 1975 | |
4697231 | Boytor et al. | Sep 1987 | |
4859995 | Hansen et al. | Aug 1989 | |
4979094 | Gemmell et al. | Dec 1990 | |
5016003 | Rice et al. | May 1991 | |
5126731 | Cromer, Jr. et al. | Jun 1992 | |
5345226 | Rice et al. | Sep 1994 | |
5365026 | Cromer, Jr. et al. | Nov 1994 |
Number | Date | Country |
---|---|---|
2136617 | Sep 1984 | GBX |
Entry |
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"Deuce Instruction Manual," DU-IT Control Systems Group, Inc., Shreve, Ohio, Apr. 1986. |
"Operator's Manual For Hecs-1," Prentke Romich Company, Wooster, Ohio (undated). |
"Changing Lives," Prentke Romich Company catalog, Wooster, Ohio, Aug. 1992. |