Patents by Inventor David H. Bloom

David H. Bloom 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).

  • Patent number: D275286
    Type: Grant
    Filed: August 25, 1982
    Date of Patent: August 28, 1984
    Assignee: Data Specialties, Inc.
    Inventors: Gerhard Cless, Rafael A. Castellanos, Albert L. Eischen, David H. Bloom
  • Patent number: D302682
    Type: Grant
    Filed: September 4, 1986
    Date of Patent: August 8, 1989
    Assignee: American Telephone and Telegraph Company, AT&T Teletype
    Inventors: David H. Bloom, Ralph Camporese, William C. Kastilahn, Robert J. Welch