Granted Patent
Utility
US 4,712,347 · App. 06/925,309
Method and apparatus for containing insulation using netting
Inventor:
Henry Sperber
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Oct 31, 1986
Inventor
Henry Sperber
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.