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Manual punch press for keys
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Patent number 7,484,446
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Issue date Feb 3, 2009
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Theodore Gula
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key duplicating machine
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Patent number 7,300,235
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Issue date Nov 27, 2007
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Jet Hardware Manufacturing Corporation
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Grigory Gimelfarb
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key blanking apparatus
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Patent number 5,720,211
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Issue date Feb 24, 1998
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Leslie L. Cahan
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Rotating punch
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Patent number 5,685,212
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Issue date Nov 11, 1997
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Ilco Unican Corp.
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John A. Licata
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key duplicating machine
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Patent number 5,165,315
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Issue date Nov 24, 1992
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Masaji Terada
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key punch machine
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Patent number 5,054,350
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Issue date Oct 8, 1991
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H.P.C., Inc.
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Klaus W. Gartner
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Key-cutting device
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Patent number 4,998,349
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Issue date Mar 12, 1991
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Curtis Industries, Inc.
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Gregory J. Killeen
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key cutting apparatus
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Patent number 4,993,291
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Issue date Feb 19, 1991
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Keymak Company
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Riley M. Sopko
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key blade and method of producing same
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Patent number 4,815,307
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Issue date Mar 28, 1989
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Widen Innovation AB
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Bo Widen
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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House-key code cutter
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Patent number 4,717,294
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Issue date Jan 5, 1988
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Curtis Industries, Inc.
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William M. Grasser
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key cutting device
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Patent number 4,468,994
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Issue date Sep 4, 1984
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Congoleum Corporation
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Nathan S. Lieptz
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Coded key cutting device
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Patent number 4,373,414
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Issue date Feb 15, 1983
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Frank P. Agius
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key blank impressioning tool
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Patent number 4,300,416
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Issue date Nov 17, 1981
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William D. Ross Manufacturing Corporation
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William D. Ross
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key cutting apparatus
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Patent number 4,062,261
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Issue date Dec 13, 1977
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Chanin; Alvin M.
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Allen Andrew Stahl
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Key cutting machine
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Patent number 4,019,415
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Issue date Apr 26, 1977
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Horst W. Wich
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Carriage positioning mechanism
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Patent number 3,971,278
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Issue date Jul 27, 1976
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Horst W. Wich
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Flat key
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Patent number 3,950,973
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Issue date Apr 20, 1976
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Kis France
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Serge Grasnianski
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3895508
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Patent number 3,895,508
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Issue date Jul 22, 1975
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...