C.P. Wrench Knife   c1908 The C.P. Wrench Knife, manufactured by C.P. Wrench Co. of Bristol Tennessee, combined a knife and screwdriver with a quick adjusting wrench. Both the wrench knife and the quick adjusting wrench were patented by Charles C. Fields (U.S. Patent numbers: 888795 and 706042). references: American Wrench Makers 1830-1930, p. 86 Levine's Guide to Knives and their Values 4th Edition, p. 295 Unmarked Wrench Knife   Cattaraugus Wrench Knife   There were several versions of the Cattaraugus wrench knife. In the first photo, the original Cattaraugus wrench knife (top) is shown next to the 1-W (middle) and the 3-W (bottom). The original wrench knife combined an alligator wrench and a screwdriver, a wire stripper, and a punch . The example shown below is a salesman's sample and it is marked "12" on the blade.   original In the 1920's, the alligator wrench was replaced with a crescent wrench and the folding tools were replaced with either a knife and punch (1-W) or a knife and a combination screwdriver and cap lifter (3-W). There were two variations of the 3-W which differed in the style of the combination screwdriver and cap lifter. The variation of the 3-W shown in the photos is from the 1920's. A photo showing 3-W knives from both the 1920's and 1930's is shown in Levine's Guide to Knives and their Values 4th Edition, p. 294.   1-W   3-W (c1920s) References: Levine's Guide to Knives and their Values 4th Edition, p. 293-4 Goins' Encyclopedia of Cutlery Markings, p. 53 Aerial D399 "Alligator Special"  Aerial Cutlery Co., c1920s references: Levine's Guide to Knives and their Values 4th Edition, p. 294 Robeson Radio Electrician's Knife  c1920s references: Levine's Guide to Knives and their Values 4th Edition, p. 294 1930s Multi-Tool Wrench  Coricama Wrench Knife   Seaboard Steel "Pocket Auto Kit"     Seaboard Steel Co. Made in France c 1948 (and atleast until 1952) References: Goins' Encyclopedia of Cutlery Markings p. 248 Hoffritz N.Y. Germany Multi-Tool Wrench (Photo) Hoffritz N.Y. Germany (c 1931-present) References: Goins' Encyclopedia of Cutlery Markings p. 130 Klein Multi-Tool Wrench   Lunawerk Multi-Tool Wrench   Lunawerk (c 1928-1948) by A. Feist & Company References: Goins' Encyclopedia of Cutlery Markings p. 171  Magazine scan from Popular Science November 1952 digitized by Google Books.
Hoffritz "Midget Wrench Knife"     Hoffritz N.Y. Germany (c 1931-present) References: Goins' Encyclopedia of Cutlery Markings p. 130 Monkey Wrench Knife Similar monkey wrench knives were marked Griffon, Hoffritz and Lamplough Cutlery (Germany). Levine's Guide has a photo of an Italian-made monkey wrench knife on p. 295.
References: Goins' Encyclopedia of Cutlery Markings p. 114 Levine's Guide to Knives and their Values 4th Edition, p. 295 Knife-Wrench   Tiny Multi-Tool Wrench 
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Vintage Multi-Tool Wrenches |
