Patents by Inventor Daniel David Lang

Daniel David Lang 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).

  • Monetary funds with attributes
    Publication number: 20030135472
    Abstract: A method that utilizes a physical means to verify that funds were obtained and/or used within a geographical area. It allows for age and identity verification.
    Type: Application
    Filed: January 14, 2002
    Publication date: July 17, 2003
    Inventor: Daniel David Lang
  • Method of encoding bits using a plurality of frequencies
    Patent number: 6476735
    Abstract: A digital encoding system for encoding a series of input bits into a plurality of frequencies, includes an encoder for generating a sampled representation of the frequencies corresponding to an input data sequence comprised of bits, and a decoder. The decoder incorporates a Fourier Transform means for recovering the data stream.
    Type: Grant
    Filed: December 2, 2000
    Date of Patent: November 5, 2002
    Inventor: Daniel David Lang
  • Digital encoding system
    Publication number: 20020067295
    Abstract: A digital encoding system for encoding a series of input bits into a plurality of frequencies, includes an encoder for generating a sampled representation of the frequencies corresponding to an input data sequence comprised of bits, and a decoder. The decoder incorporates a Fourier Transform means for recovering the data stream.
    Type: Application
    Filed: December 2, 2000
    Publication date: June 6, 2002
    Inventor: Daniel David Lang