Patents by Inventor Frederic C. Towers

Frederic C. Towers 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).

  • Securities valuation system
    Patent number: 4566066
    Abstract: This discloses a system operating on a general purpose digital computer which produces securities portfolio valuation schedules for multiple simultaneous users. The computer maintains securities information in system-wide files which are updated, both electronically and manually, on a daily basis. The system permits each user to store information about his portfolios, as well as information about supplemental securities not contained in the system-wide files.
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: January 21, 1986
    Inventor: Frederic C. Towers
  • Securities valuation system
    Patent number: 4334270
    Abstract: This discloses a method of operating a general purpose digital computer to produce securities portfolio valuation schedules for multiple simultaneous users. The computer maintains securities information in system-wide files which are updated, both electronically and manually, on a daily basis. The system permits each user to store information about his portfolios, as well as information about supplemental securities not contained in the system-wide files.
    Type: Grant
    Filed: August 11, 1972
    Date of Patent: June 8, 1982
    Inventor: Frederic C. Towers