Patents by Inventor Edric M. E. Brown

Edric M. E. Brown 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).

  • Lockstitch sewing machine
    Patent number: 4561367
    Abstract: A lockstitch sewing machine has a needle (22) and awl (24) mounted on a common pivot (52) and actuated each by a crank mechanism (40;72), the two mechanisms being mounted on a common crank shaft (38). Each mechanism is constituted by a bell crank lever (44;76); the two levers also being mounted on a common pivot (46). This latter pivot (46) is disposed intermediate the pivot (52) for the needle and awl and the crank shaft (38).
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: December 31, 1985
    Assignee: USM Corporation
    Inventors: John Corbett, Edric M. E. Brown, Peter N. Tapner, David J. Commander