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William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 5568745 | Method and apparatus for making disc wheels and wheels made thereby An improved wheel disc and disc and and rim wheel assembly, and method and press apparatus for manufacturing the same. The wheel disc is adapted for telescopic press fit precision mounting into a mating wheel rim to form the wheel assembly. A flat disc bl... | 10/29/1996 |
| 5544945 | Method and apparatus for making disc wheels and wheels made thereby An improved wheel disc and disc and and rim wheel assembly, and method and press apparatus for manufacturing the same. The wheel disc is adapted for telescopic press fit precision mounting into a mating wheel rim to form the wheel assembly. A flat disc bl... | 08/13/1996 |
| 5533260 | Method of manufacturing a vehicle wheel A multi-piece, non-take-apart vehicle wheel disc and rim assembly and method of making the same. The wheel rim has a disc mounting flange extending radially inwardly of the rim which radially overlaps the disc. The disc and rim are each finish formed prio... | 07/09/1996 |
| 5509726 | Variable off-set full face wheel and method for making the same A multi-piece, non-take-apart full-face vehicle wheel assembly having a multiple-part disc in which a wheel mounting disc center part and a disc outer part are each made separately from one another. Each disc part has an annular connector flange formed re... | 04/23/1996 |
| 5215137 | Safety tire and take-apart wheel construction A take-apart tire and wheel assembly including a multi-piece wheel rim having axially spaced bead flanges, a rim base, and a pneumatic tubeless tire, preferably adapted to removably receive in its tire inflation chamber a safety runflat insert. The wheel ... | 06/01/1993 |
| 5138757 | Process for manufacturing a vehicle brake drum Manufacture of brake drums having an annular brake ring and a drum back for mounting the ring for rotation about an axis defined at least in part by one or more openings in the back. Radial runout of the brake ring is measured, and the mounting openings i... | 08/18/1992 |
| 4786027 | Apparatus for molding composite metal-elastomer wheels Apparatus for molding a composite metal-elastomer styled wheel in which a middle mold part consists of a metal wheel disc and rim subassembly. A base mold part seats against the outboard face of the metal wheel in the closed condition of the mold and has ... | 11/22/1988 |
| 4733448 | Wheel manufacture for correction of rotational non-uniformity of a pneumatic tire and wheel assembly Apparatus and method for manufacturing a vehicle wheel rim and disc assembly with controlled lateral runout characteristics, as well as the resulting wheel and a pneumatic tire and wheel assembly having overall improved ride characteristics. The method an... | 03/29/1988 |
| 4682820 | Vehicle wheel with an ornamental plastic overlay A composite styled wheel including a metallic disc and rim and an ornamental plastic overlay permanently affixed to the disc and/or rim. The overlay has a central cavity adapted to receive wheel hub and mounting parts therein inserted into said disc. A re... | 07/28/1987 |
