Number | Name | Date | Kind |
---|---|---|---|
2637454 | Rowe | May 1953 | |
2693284 | Gerhardt | Nov 1954 | |
4127856 | Bickel | Nov 1978 | |
4400127 | Metz | Aug 1983 | |
4555211 | Metz | Nov 1985 | |
4605353 | Hahn et al. | Aug 1986 | |
4630989 | Davey | Dec 1986 | |
4634334 | Hahn et al. | Jan 1987 |
Number | Date | Country |
---|---|---|
203303 | Oct 1983 | DEX |
Entry |
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Kelley Company Inc., "Truk Stop Automatic Trailer Restraining Device", 1982, pp. 1-4. |