Granted Patent
Utility
US 5,657,606 · App. 08/149,477
Building system
Inventors:
Dennis Edward Ressel, Valente Covarrubias Nuno
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Nov 9, 1993
Inventors
Dennis Edward Ressel
Valente Covarrubias Nuno
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.