Granted Patent
Utility
US 5,251,936 · App. 07/710,682
Overlap check construction or similar business form
Inventor:
Gary W. Fitzgibbons
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Jun 5, 1991
Inventor
Gary W. Fitzgibbons
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.