Patents by Inventor Steven A. Garand

Steven A. Garand 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).

  • Specimen processing and analyzing systems with variable zener-diode flyback stepper motor control
    Patent number: 5352963
    Abstract: An improved control system for a stepper motor coil includes a flyback circuit that dissipates coil energy slowly while the coil is energized and operated in the chopping mode, while dissipating coil energy rapidly when the coil is switched to its de-energized phase.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: October 4, 1994
    Assignee: Baxter Diagnostics Inc.
    Inventors: Steven A. Garand, Carl P. Daniel