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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 |
| 7311183 | Adjustable clutch brake and method of use thereof A clutch brake device comprising two concentric ring-shaped plate sections, threadably and adjustably secured together via four screws. The screws pass through the periphery of the exterior plate and extend into depressions on the interior plate. The interior plate ... | 12/25/2007 |
| 7246412 | Adjustable hanger hinge A hanger hinge is used to suspend panels of a folding door or window from an overhead track. The hanger hinge has a hanger bolt with an externally threaded lower end on which a nut is threaded by a tool. The nut is located within a sleeve which engages the bolt to p... | 07/24/2007 |
| 7222829 | Antenna mounting structure For mounting an antenna device on a first side of a panel body, a mount screw is protruded from the antenna device and formed with a slit extending from a distal end face thereof in an axial direction thereof. A washer has a first engagement member extended from a m... | 05/29/2007 |
| 6883401 | Power tool for fastening objects A power tool for fastening objects has a housing with a non-rotatable element, a power drive in the housing and provided with a rotatable driving element, and a fastener part including a bolt having a thread and an axis and introducable into parts forming an object,... | 04/26/2005 |
| 6095735 | Locking nut assembly A locking nut assembly for use on a shaft having a longitudinally extending channel. The locking nut assembly includes a nut having an annular portion with a slot extending radially through the annular portion. The locking nut assembly also includes a loc... | 08/01/2000 |
| 4537124 | Embosser mounting insert registering means An embosser combined with a steel rule die for embossing sheets of stock where the embosser includes an insert positioned within an opening formed in the steel rule die. Threaded bores are formed in the steel rule die and extended into its opening. Screws... | 08/27/1985 |
| 4358941 | Security method and apparatus Disclosed is a security device and method. The device includes a bolt having a first hole drilled radially therein, a second threaded hole drilled axially therein to intersect the first hole, and a third hole formed axially therein connecting the second h... | 11/16/1982 |
| 4308733 | Security device for automobile spare tires This invention relates to an improvement in tire locks and more specifically to devices which make spare tires in the trunk compartment of an automobile almost tamperproof from the standpoint of their removal by unauthorized persons.... | 01/05/1982 |
| 4090545 | Nut locking means A locking arrangement is provided for retaining a nut, such as a spanner nut, locked in position on a shaft. The nut has a plurality of equally spaced apart apertures in one axial face thereof. An arcuate key is provided with a pair of apertures spaced ap... | 05/23/1978 |
| 4084630 | Locking ring for a castellated nut A locking ring for a castellated nut threadably connected to a bolt having a transversely extending aperture has a diametrically extending section located in the aperture with opposite end portions engageably located in opposing castellations formed on th... | 04/18/1978 |
