Patents by Inventor Alan Feldman

Alan Feldman 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).

  • Angular position to linear voltage converter
    Patent number: 4631540
    Abstract: An apparatus for converting angular position to a linear voltage. A continuous element dual wiper potentiometer provides triangular waveforms 90.degree. apart to a waveform conversion circuit which generates a linear positive going ramp waveform in response to the angular position of the potentiometer wipers.
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: December 23, 1986
    Assignee: Sperry Corporation
    Inventor: Alan Feldman
  • Dust pan
    Patent number: D335011
    Type: Grant
    Filed: December 26, 1990
    Date of Patent: April 20, 1993
    Assignee: Empire Brushes, Inc.
    Inventor: Alan Feldman