Patents by Inventor Eric J. Marshall

Eric J. Marshall 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).

  • Sewing machines
    Patent number: 4426947
    Abstract: In a sewing machine having an upper presser (6), a work feed (8) disposed below and aligned with the upper presser (6), and a work support (9) about the feed mechanism (8), the feed mechanism (8) and the work support (9) are movable in unison to a raised position adjacent the upper presser and into a lowered position in which the feed mechanism is spaced further from the upper presser, the feed mechanism and the work support being resiliently loaded upwardly. In another aspect, a drive for a thread take-up element includes a rotary axially-acting cam (15,23), and a cam follower (24) coupled to the thread take-up element (25,29).
    Type: Grant
    Filed: June 10, 1981
    Date of Patent: January 24, 1984
    Inventor: Eric J. Marshall
  • Sewing machine
    Patent number: D260648
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: September 8, 1981
    Inventor: Eric J. Marshall
  • Telephone
    Patent number: D262879
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: February 2, 1982
    Inventor: Eric J. Marshall
  • Housing for an intercom or similar business machine
    Patent number: D266509
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: October 12, 1982
    Inventor: Eric J. Marshall
  • Display terminal or similar article
    Patent number: D267880
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: February 8, 1983
    Inventor: Eric J. Marshall
  • Telephone
    Patent number: D268579
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: April 12, 1983
    Inventor: Eric J. Marshall
  • Telephone
    Patent number: D275568
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: September 18, 1984
    Assignee: The Marshall Telephone Corporation Limited
    Inventor: Eric J. Marshall
  • Telephone
    Patent number: D275853
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: October 9, 1984
    Assignee: The Marshall Telephone Corporation Limited
    Inventor: Eric J. Marshall
  • Telephone
    Patent number: D275950
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: October 16, 1984
    Inventor: Eric J. Marshall