Patents by Inventor John D. Galpin

John D. Galpin 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).

  • Optical table
    Patent number: 5626157
    Abstract: A honeycomb tabletop, including a honeycomb core positioned between a top and bottom structural layer, wherein a number of cups are positioned between the bottom layer and the top layer, and at least some of the number of cups are sized and shaped to cooperate with the lower face of the top layer to form a cavity surrounding at least two of the plurality of holes in the top layer so that contaminants will be unable to pass through the surrounded holes into the honeycomb core. Preferably, these cups form a sealing engagement with the lower face of the top layer to facilitate rapid and thorough cleaning of contaminants from the cups.
    Type: Grant
    Filed: January 9, 1995
    Date of Patent: May 6, 1997
    Assignee: Melles Griot, Inc.
    Inventors: John D. Galpin, Valerie J. Galpin
  • Optical table having debris retention structures
    Patent number: 5402734
    Abstract: A honeycomb tabletop, including a honeycomb core positioned between a top and bottom structural layer, wherein a number of cups are positioned between the bottom layer and the top layer, and at least some of the number of cups are sized and shaped to cooperate with the lower face of the top layer to form a cavity surrounding at least two of the plurality of holes in the top layer so that contaminants will be unable to pass through the surrounded holes into the honeycomb core. Preferably, these cups form a sealing engagement with the lower face of the top layer to facilitate rapid and thorough cleaning of contaminants from the cups.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: April 4, 1995
    Assignee: Melles Griot, Inc.
    Inventors: John D. Galpin, Valerie J. Galpin