Patents by Inventor Frederick G. Mackay

Frederick G. Mackay 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: 4976530
    Abstract: Plastic sunglasses comprise a transparent lens piece, a pair of temple pieces attached to the ends of the lens piece, and an opaque visor which snap-locks onto the top of the lens piece. The visor has a long curved front face with L-shaped ends, an angular top face for projecting inwardly across the top of the lens piece, and separate hooks projecting inwardly from the inner ends of the visor behind corresponding L-shaped shoulders. A visor connector at the top of the lens piece includes a curved upright wall with generally L-shaped ends. The wall is recessed from a curved ridge with generally L-shaped ends extending across the front of the lens piece. The opposite ends of the visor connector include L-shaped slots in its bottom front face which interlock with the L-shaped shoulders on the bottom inside face of the visor.
    Type: Grant
    Filed: March 17, 1989
    Date of Patent: December 11, 1990
    Assignee: William John Wichman
    Inventors: Frederick G. Mackay, William J. Wichman
  • Patent number: 4234526
    Abstract: An evaporative cooler having a one-piece, frameless shell secured to a bottom pan and having a top cover hinged along one edge to the side wall of the housing shell. A quick-release latching mechanism secures the top cover to the opposite side wall to hold the top cover closed while permitting the top cover to be easily opened for access to components of the evaporative cooler housed therein. Evaporative media pad assemblies have side frame members having V-shaped outer surfaces which slide in correspondingly shaped tracks in the corners of the shell to space the pad assemblies from the louvered side walls of the shell and permit the pad assemblies to be installed and removed from above with a vertical sliding movement.
    Type: Grant
    Filed: January 9, 1979
    Date of Patent: November 18, 1980
    Assignee: McGraw-Edison Company
    Inventors: Frederick G. Mackay, Spencer L. Mackay
  • Patent number: 4145603
    Abstract: A warming unit and serving tray combination includes a unit that has a generally planar bottom surface which accommodates resting on a counter top with a top surface being parallel to and spaced above that counter top. The top surface is warmed, and it includes a peripheral margin of a contour that extends therearound. A serving tray has an upper surface corresponding in extent to the top surface of the warming unit and its skirt has a bottom margin matable with the warming unit so as to nest therewith. There are a plurality of openings in the serving tray that receive corresponding food containers seatable therein.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: March 20, 1979
    Assignee: Teledyne Industries, Inc.
    Inventors: Frederick G. Mackay, Horace T. Keryluk, Thomas G. Cannon
  • Patent number: D246667
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: December 13, 1977
    Assignee: Teledyne Industries, Inc.
    Inventors: Frederick G. Mackay, Spencer L. Mackay, Allan B. Johnson
  • Patent number: D246668
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: December 13, 1977
    Assignee: Teledyne Industries, Inc.
    Inventors: Frederick G. Mackay, Spencer L. Mackay, Allan B. Johnson
  • Patent number: D249275
    Type: Grant
    Filed: March 24, 1977
    Date of Patent: September 5, 1978
    Assignee: Teledyne Industries, Inc.
    Inventors: Frederick G. Mackay, Spencer L. Mackay
  • Patent number: D252847
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: September 11, 1979
    Assignee: Teledyne Industries, Inc.
    Inventors: Thomas G. Cannon, Frederick G. Mackay
  • Patent number: D256027
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: July 22, 1980
    Assignee: Teledyne Industries, Inc.
    Inventors: Spencer L. Mackay, Frederick G. Mackay, Allan B. Johnson
  • Patent number: D267422
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: December 28, 1982
    Assignee: Teledyne Industries, Inc.
    Inventors: Spencer L. Mackay, Frederick G. Mackay, Allan B. Johnson
  • Patent number: D267581
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: January 11, 1983
    Assignee: Teledyne Industries, Inc.
    Inventors: Spencer L. Mackay, Frederick G. Mackay, Allan B. Johnson, David W. Smith
  • Patent number: D267582
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: January 11, 1983
    Assignee: Teledyne Industries, Inc.
    Inventors: Spencer L. Mackay, Frederick G. Mackay, Allan B. Johnson, David W. Smith
  • Patent number: D269200
    Type: Grant
    Filed: December 3, 1980
    Date of Patent: May 31, 1983
    Assignee: Rain Bird Consumer Products Mfg. Corp.
    Inventors: Frederick G. Mackay, Craig R. Tisserat, Paul G. Mayr, Enric C. Mendoza
  • Patent number: D269377
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: June 14, 1983
    Assignee: Teledyne Industries, Inc.
    Inventors: Frederick G. Mackay, Keith M. Mullins
  • Patent number: D313236
    Type: Grant
    Filed: June 28, 1988
    Date of Patent: December 25, 1990
    Inventor: Frederick G. Mackay
  • Patent number: D317771
    Type: Grant
    Filed: June 28, 1988
    Date of Patent: June 25, 1991
    Assignee: William John Wichman
    Inventor: Frederick G. Mackay