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Marble Arms & Manufacturing Company of Gladstone, Michigan began in 1892 with the invention and manufacture of the Marble Universal Rifle Sight by Webster L. Marble.〔http://www.marblearms.com/history.html Retrieved 2010-12-08〕 Frank H. Van Cleve of Escanaba, Michigan shared patent rights on some of the early patents applied for by Webster L. Marble. Products expanded to include outdoor goods like a novel safety axe, hunting knives, match safes, compasses and the Marble Game Getter combination gun. The company grew to be foremost manufacturer of gun sights, competing with rivals such as Lyman, Redfield, Pacific, King, and Williams gun sight companies. Still in business in Gladstone, Michigan, Marble Arms remains an important member of the firearm and shooting sports industry. ==List of Patents 〔== * Design for a Compass Card * Design for a Blade for a Hunting Knife * Adjustable Gun-sight * Front Sight for Fire Arms * Safety Guard for Axes * Tool Handle Fastening * Match-Box * Gaff Hook * Hunting Knife * Gun Sight * Cleaning Rod for Firearms * Axe-edge Protector * Pivoted Nail Claw for Axes * Front Sight * Compound Tool * Rear Sight * Firearm * Folding Stock for Firearms * Hammer for Double-Barreled Guns * Means for Attaching Supplemental Barrels to Firearms * Supplemental Barrel for Magazine Firearms * Gaff-Tongs * Folding Compound Tool * Front Sight for Firearms * Slide-Action Firearm * Detachable and Interchangeable Butt-Piece for Firearms * Recoil Pad for Firearms 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Marble Arms」の詳細全文を読む スポンサード リンク
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