Granted Patent
Utility
US 5,660,021 · App. 08/529,407
Security of buildings and other structures
Inventors:
Steven Frederick Wolgamot, George A. Cooper
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Sep 18, 1995
Inventors
Steven Frederick Wolgamot
George A. Cooper
Assignee (at issue)
Trussbilt, 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.