Patents by Inventor William A. Prindle

William A. Prindle 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).

  • Patent number: 5014921
    Abstract: A potato masher integrally formed in a single piece made of polyetherimide.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: May 14, 1991
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert B. Skerker, William Prindle
  • Patent number: 5014434
    Abstract: A kitchen tool integrally formed in one piece made of a polyetherimide, having a capacity for withstanding high temperatures and facilitating microwave use.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: May 14, 1991
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert Skerker, William Prindle
  • Patent number: 5008508
    Abstract: A cooking apparatus for suspending a food product while cooking for use in high heat and microwave environments.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: April 16, 1991
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert B. Skerker, William Prindle
  • Patent number: 4996404
    Abstract: An apparatus for suspending a food product, such as meats and the like while cooking comprised of two planar interlocking grids that allow for easy assembly and storage and allow for use in high heat and microwave environments.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: February 26, 1991
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert B. Skerker, William Prindle
  • Patent number: 4937942
    Abstract: A kitchen tool integrally formed in one piece made of a polyetherimide, having a capacity for withstanding high temperatures and facilitating microwave use.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: July 3, 1990
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert Skerker, William Prindle
  • Patent number: 4936470
    Abstract: A caddy for storing articles, such as kitchen utensils, having first and second parts provided with pockets for receiving articles to be stored, and are connected by a hinge for swinging movement from a flatwise condition suitable for permitting hanging of the caddy on a wall, wherein the pockets are arranged side-by-side and extend in the same direction, and a folded condition suitable for permitting support of the caddy on a generally horizontally disposed support surface, wherein the pockets are arranged back-to-back and extend in opposite directions. The parts are provided with roller members arranged when the parts are in folded condition to support the caddy on the support surface for rotational movements.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: June 26, 1990
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventor: William A. Prindle
  • Patent number: 4928893
    Abstract: A food processor includes a hollow shredder member having food cutting elements, an open mouth container removably insertable within the shredder member for collecting food processed by the cutting elements and a hollow handle member for guiding food into engagement with the cutting elements. The shredder and handle members are releasably rotatably connected for purposes of placing the food cutting elements one at a time in an operative food cutting position relative to the handle member. The processor has a stored configuration wherein the container is placed within the confines of the shredder member and the latter is placed within the confines of the handle member.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: May 29, 1990
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventor: William A. Prindle
  • Patent number: D440787
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: April 24, 2001
    Assignee: Scott Resources
    Inventor: William Prindle
  • Patent number: D312561
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: December 4, 1990
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert Skerker, William Prindle
  • Patent number: D316213
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: April 16, 1991
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert Skerker, William Prindle
  • Patent number: D328225
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: July 28, 1992
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert B. Skerker, William Prindle
  • Patent number: D328549
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: August 11, 1992
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert B. Skerker, William Prindle
  • Patent number: D333236
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: February 16, 1993
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert B. Skerker, William Prindle
  • Patent number: D336727
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: June 22, 1993
    Assignee: Robinson Knife Manufacturing Co., Inc.
    Inventors: Robert B. Skerker, William Prindle
  • Patent number: D337233
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: July 13, 1993
    Assignee: M. Kamenstein, Inc.
    Inventor: William Prindle
  • Patent number: D356906
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: April 4, 1995
    Assignee: Shahriar Dardashti
    Inventors: Shahriar Dardashti, William Prindle
  • Patent number: D398488
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: September 22, 1998
    Assignee: Scott Resources, LLC
    Inventor: William A. Prindle
  • Patent number: D404662
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: January 26, 1999
    Assignee: Robinson Knife Company
    Inventor: William Prindle
  • Patent number: D404663
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: January 26, 1999
    Assignee: Robinson Knife Company
    Inventor: William Prindle
  • Cup
    Patent number: D777519
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: January 31, 2017
    Assignee: Stupid Good Beverage Company LLC
    Inventors: Dorian Levy, William Prindle