Granted Patent
Utility
US 5,262,220 · App. 07/716,957
High strength structure assembly and method of making the same
Inventors:
Donald R. Spriggs, William G. Taft, Christian W. Loedel
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Jun 18, 1991
Inventors
Donald R. Spriggs
William G. Taft
Christian W. Loedel
Assignee (at issue)
Chemtronics Co., Ltd.
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.