Number | Name | Date | Kind |
---|---|---|---|
2727756 | Carlile | Dec 1955 | |
3425715 | Weitz | Feb 1969 | |
4821807 | Trumm | Apr 1989 | |
4930581 | Fleischer et al. | Jun 1990 |
Number | Date | Country |
---|---|---|
247922 | Mar 1963 | AUX |
259283 | Apr 1967 | ATX |
315594 | May 1989 | EPX |
2939987 | Apr 1980 | DEX |
1253132 | Dec 1960 | FRX |
411793 | Oct 1974 | SUX |
Entry |
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Orthman Manufacturing, Inc. brochure entitled "Computerized Quick Hitch Guidance System". |