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Annular circular saw blade
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Patent number 4,800,650
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Issue date Jan 31, 1989
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Electrolux Motor Aktiebolag
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Mats Johansson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Circular saw with annular saw blade
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Patent number 4,793,065
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Issue date Dec 27, 1988
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Electrolux Motor Aktiebolag
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Mats Johansson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Annular saw blade
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Patent number 4,646,607
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Issue date Mar 3, 1987
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M. J. Maskiner Aktiebolag
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Mats A. Johansson
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Annular saw blade and annular saw
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Patent number 4,472,880
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Issue date Sep 25, 1984
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Mats A. Johansson
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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