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Robert Wolff
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Engeln, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Worktable
Patent number
5,067,535
Issue date
Nov 26, 1991
Werkzeug-gesellschaft mit beschranter Haftung
Robert Wolff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Accessory device for angle grinder
Patent number
5,056,268
Issue date
Oct 15, 1991
Werkzeug GmbH
Robert Wolff
B24 - GRINDING POLISHING
Information
Patent Grant
Device for milling grooves or rabbet joints
Patent number
4,909,680
Issue date
Mar 20, 1990
Robert Wolff
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Workbench
Patent number
4,733,704
Issue date
Mar 29, 1988
Robert Wolff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Milling device
Patent number
4,648,433
Issue date
Mar 10, 1987
Robert Wolff
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Work stand for electrically powered machines
Patent number
4,582,105
Issue date
Apr 15, 1986
Robert Wolff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Drilling and milling guide for accommodating interchangeable power...
Patent number
4,572,715
Issue date
Feb 25, 1986
Robert Wolff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Auxiliary device for re-grinding of spiral drills
Patent number
4,566,227
Issue date
Jan 28, 1986
Robert Wolff
B24 - GRINDING POLISHING
Information
Patent Grant
Working stand for neckless electrical home worker machines
Patent number
4,284,373
Issue date
Aug 18, 1981
Robert Wolff
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Screw fastened clamping neck attachment for an electrical hand oper...
Patent number
4,251,120
Issue date
Feb 17, 1981
Robert Wolff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Clamping block for electrical hand drill
Patent number
4,220,311
Issue date
Sep 2, 1980
Robert Wolff
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Auxiliary device for boring of dowel holes in boards
Patent number
4,176,989
Issue date
Dec 4, 1979
Robert Wolff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device for grinding spiral drills
Patent number
4,164,100
Issue date
Aug 14, 1979
Robert Wolff
B24 - GRINDING POLISHING
Information
Patent Grant
Clamping apparatus for workpieces
Patent number
4,141,542
Issue date
Feb 27, 1979
Robert Wolff
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS