Patents by Inventor Archie R. Grace

Archie R. Grace 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: 4247191
    Abstract: A color copier having a carriage with a platen thereon arranged to engage and hold an electro-photosensitive receptor member movable between a light exposure station having a set of selectable filters of different-color values to project a series of monochromic images from a multicolored master onto the receptor members and a series of developer stations each arranged to contain a developer of a different color but complementary to the color values of the filters, each developer station including a developer plate arranged to be wetted by the developer prior to pressing the developer plate to the receptor member to develop the image thereon, and means to remove excess developer.
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: January 27, 1981
    Inventors: Archie R. Grace, Robert J. Grace
  • Patent number: 4170412
    Abstract: A microfilm or microfiche adaption unit for photocopier machines which fits to the photocopier machine over the transparent window platen thereof, and has a light source and lens and projection means to project an image through the window to produce a print in the photocopier machine. Direct viewing is also possible.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: October 9, 1979
    Inventors: Archie R. Grace, Robert J. Grace