Granted Patent
Utility
US 4,677,797 · App. 06/865,414
Knockdown housing structure
Inventor:
Herman Roth
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: May 21, 1986
Inventor
Herman Roth
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.