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Manufacturers Index - Wohlnip Products, Inc.
Patents
This page contains information on patents issued to this manufacturer.

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Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
2,499,408 Mar. 07, 1950 Work holder Walter Nipken Fairlawn, NJ The inventor Walter Nipken (1903-1998) went on to establish machine tool accessories maker Wohlnip Products, Inc. Assignee Ambrose J. Peraino (1906-1959) was a lawyer whose connection to Nipken is unknown. This patent's original application was split; see also patent 2,623,440.
2,623,440 Dec. 30, 1952 Unitary work holder Walter Nipken Fairlawn, NJ Inventor Walter Nipken (1903-1998) established machine tool accessories maker Wohlnip Products, Inc. This patent's original application was split; see also patent 2,499,408.
2,744,311 May. 08, 1956 Drill extractor Walter Nipken Irvington, NJ Co-inventor Walter Nipken (1903-1998) established machine tool accessories maker Wohlnip Products, Inc. Eleanor Nipken was his wife, nee Eleanor Reidy. Assignee Walton Co. made, and as of 2018, still makes, drill and tap extractors.
    Drill extractor Eleanor Nipken Irvington, NJ  
2,771,297 Nov. 20, 1956 Adjustable stop for a collet or the like Walter Nipken Irvington, NJ The inventor Walter Nipken (1903-1998) established machine tool accessories maker Wohlnip Products, Inc.
2,823,563 Feb. 18, 1958 Depth control attachment for a drill or the like Walter Nipken Irvington, NJ The inventor Walter Nipken (1903-1998) established machine tool accessories maker Wohlnip Products, Inc. This patent's original application was split; see also patent 2,915,925.
2,915,925 Dec. 08, 1959 Depth control attachment for a drill or the like Walter Nipken East Orange, NJ Inventor Walter Nipken (1903-1998) established machine tool accessories maker Wohlnip Products, Inc. This patent's original application was split; see also patent 2,823,563.