Patents by Inventor Mark A. Martinka

Mark A. Martinka 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: 4905274
    Abstract: A key telephone management controller system enabling telephone customers to control and implement changes to customer key telephone systems served by a telephone switching system. Apparatus and a method interactive with telephone customers records customer-selected key telephone button and line features and controls the telephone switching system to assign the customer-selected button and line features to telephone sets of the customer key telephone system.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: February 27, 1990
    Assignees: American Telephone & Telegraph Company AT&T Bell Laboratories, American Telephone and Telegraph Company
    Inventors: Bret A. Cooper, James R. Hahn, III, William H. Havanas, Mark A. Martinka
  • Patent number: 4866763
    Abstract: A system for selecting multiple interexchange carriers serving telephone switches interconnecting user telephone lines. Apparatus and a method interactive with telephone users creates data base records of user selected interchange carrier resources and encodes the user created data base records into telephone switch messages. The telephone switch messages are transmitted to telephone switches to enable the telephone switches to selectively interconnect user telephone lines with ones of the interchange carrier resources in accordance with user created data base records.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: September 12, 1989
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventors: Bret A. Cooper, William H. Havanas, Thomas R. Lanning, Mark A. Martinka