Patents by Inventor David M. Marzahn

David M. Marzahn 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).

  • Data encryptor/decryptor using variable in-place I/O
    Patent number: 6526145
    Abstract: A computer implemented process for data encryption or data decryption using a computer is disclosed.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: February 25, 2003
    Inventor: David M. Marzahn
  • DATA ENCRYPTOR/DECRYPTOR USING VARIABLE IN-PLACE I/O
    Publication number: 20010012362
    Abstract: A computer implemented process for data encryption or data decryption using a computer is disclosed.
    Type: Application
    Filed: May 10, 1999
    Publication date: August 9, 2001
    Inventor: DAVID M. MARZAHN