Patents by Inventor Charles W. Barr

Charles W. Barr 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).

  • Publication number: 20240117388
    Abstract: Enzymes and recombinant host cells for the biosynthesis of clinically important prenylated polyketides of the cannabinoid family are provided. Using readily available starting materials, heterologous enzymes (e.g., bacterial CoA-transferases and CoA-ligases) are used to direct cannabinoid biosynthesis in host cells such as recombinant yeast cells.
    Type: Application
    Filed: January 20, 2022
    Publication date: April 11, 2024
    Inventors: James T. KEALEY, James P. CRAIG, Jianping SUN, Charles K. MARLOWE, Colin W. JOHNSON, Philip J. BARR
  • Patent number: 4291992
    Abstract: In the printer pin control circuitry described herein, data bits which request the actuation of respective pins are entered, indirectly, into respective digital equivalent shift registers to provide, for each pin, a respective short term history of actuation requests. A high speed, special purpose digital processor sequentially examines the several shift registers to determine, at successive points in time, whether each pin winding should then be energized or not to produce an effective energizing and damping waveform under a variety of sequential actuation conditions.
    Type: Grant
    Filed: May 22, 1979
    Date of Patent: September 29, 1981
    Assignee: R. C. Sanders Technology Systems, Inc.
    Inventors: Charles W. Barr, Michael I. Lerer, Royden C. Sanders, Jr., Russell J. Vassar, Jr.