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Manufacturers Index - Portalign Tool Corp.

Portalign Tool Corp.
San Diego, CA, U.S.A.
Manufacturer Class: Wood Working Machinery & Metal Working Machinery

Patents
This page contains information on patents issued to this manufacturer.

Submitting Patent Information

If you find a patent number or patent date by this manufacturer that is not on this list, please contact the Site Historian.


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
3,874,810 Apr. 01, 1975 Drill guide William D. Russell Chula Vista, CA The USPTO patent summary describes it as "A rugged, versatile drill guide of simple design for positioning a drill bit relative to varied workpiece configurations." The Portalign drill guide was manufactured for many years and was sold under Sears' Craftsman brand as their "Portalign precision drill guide". The originals are no longer made but imitations are still readily available, though of variable quality.
4,335,512 Jun. 22, 1982 Attachment for a power hand saw George E. Robson Hermosa Beach, CA
    Attachment for a power hand saw George S. Christensen San Diego, CA  
    Attachment for a power hand saw Martin I. Sheps Poway, CA