Granted Patent
Utility
US 6,316,510 · App. 09/543,410
Foamable binder composition and methods for producing the same
Inventor:
Henry Sperber
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Apr 5, 2000
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.