Number | Name | Date | Kind |
---|---|---|---|
4301953 | Abbott | Nov 1981 | |
4662647 | Calvert | May 1987 | |
4773668 | Muonro | Sep 1988 | |
4863185 | Coppe | Sep 1989 | |
4974866 | Morgan | Dec 1990 |
Entry |
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Quality S. Hitch Manufacturing Sales Catalog; Feb. 1994; 16. |
Hidden Hitch of America Inc. Caralogue; 1993; 15. |
Eaz-Lift Spring Corporation Product Catalog; 1993; 10. |
Valley Industries Towing Products and Accessories Product Catalog; 1995; 17. |
Putman Hitch Products, USA Product Catalog; Date Unknown; 7. |
Shelton, Industries Product Catalog; 1993; 17. |