Patents by Inventor David Joseph Schmidt

David Joseph Schmidt 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).

  • MOBILE STANDER WITH ENHANCED ADJUSTABILITY AND STORAGE
    Publication number: 20240065906
    Abstract: A stander device with improvements to facilitate and/or make more convenient the adjustment and/or repositioning of various elements of the stander device for sizing and comfort of a patient/user, as well as making the folding, storage, and transportation thereof more convenient.
    Type: Application
    Filed: August 29, 2023
    Publication date: February 29, 2024
    Inventors: Jeffrey Vernon Schmidt, Terrence Ziemek, Trevor Andrew Bartz, Matthew Haugen, Mark Joseph Schmitt, David Paul Scott
  • Adjustment of photoconductive cell
    Patent number: 5923028
    Abstract: A system and method for optimizing the signal range of a photocell for all ambient lighting conditions. A switched resistor circuit is serially connected to the photocell. The duty cycle of the switched resistor circuit is controlled to provide an optimal signal range for the photocell in both light and dark ambient light conditions.
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: July 13, 1999
    Assignee: Gentex Corporation
    Inventors: Robert Ralph Turnbull, Robert Charles Knapp, David Joseph Schmidt