Patents by Inventor William E. Sydlowski

William E. Sydlowski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Boring bit and method for manufacture thereof
    Patent number: 4527449
    Abstract: There are disclosed herein power tool boring bits having boring depth indicating markings on the shanks thereof. The markings are produced by colored oxiding of substantially the entire shank of the tool followed by selective abrasion of the shank to remove bands of substantially only the thin surface oxide in alternate array with bands of the colored oxide.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: July 9, 1985
    Assignee: Rule Industries, Inc.
    Inventors: William E. Sydlowski, Harold A. Trent
  • Boring tool or similar article
    Patent number: D278065
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: March 19, 1985
    Assignee: Rule Industries, Inc.
    Inventors: William E. Sydlowski, Harold A. Trent
  • Paper set feeder
    Patent number: D399872
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: October 20, 1998
    Assignee: Standard Duplicating Machines Corporation
    Inventors: James A. Darcy, Gilbert G. Fryklund, William E. Sydlowski