Patents by Inventor Joel Wittennauer

Joel Wittennauer 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).

  • Storing printer density control parameters in cartridge memory
    Publication number: 20070154227
    Abstract: Data may be obtained in the form of a printer control density table from a memory within a replacement toner cartridge. The cartridge may include parity bits to ensure the accuracy of the data.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 5, 2007
    Inventors: Douglas Able, William Richardson, Joel Wittennauer