Granted Patent
Utility
US 4,026,085 · App. 05/439,060
Construction system
Inventor:
Harold G. Simpson
Patented Case
View Patent ↗
Granted: May 31, 1977
Filed: Feb 4, 1974
Inventor
Harold G. Simpson
Assignee (at issue)
Star Remanufacturing, Inc.
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.