Number | Name | Date | Kind |
---|---|---|---|
3391949 | Abbott | Jul 1968 | |
3716253 | Gniffke et al. | Feb 1973 | |
4502706 | Frambach, Sr. | Mar 1985 |
Number | Date | Country |
---|---|---|
1426050 | Feb 1976 | GBX |
Entry |
---|
Worksaver, Inc., Date-one year, prior to Jun. 28, 1986, p.-cover of brochure, Quick Hitch, Model #HK-501-in upper left corner. |