Granted Patent
Utility
US 5,673,402 · App. 07/912,978
Computer system for producing an illustration of an investment repaying a mortgage
Inventors:
Ronald D. Ryan, Ronald G. Marquart, Timothy S. Millwood
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Aug 17, 1992
Inventors
Ronald D. Ryan
Ronald G. Marquart
Timothy S. Millwood
Assignee (at issue)
The Homeowner's Endorsement Plan Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.