Granted Patent
Utility
US 6,509,074 · App. 09/373,634
Pressure sensitive releasable latex dipped felt underlay
Inventor:
Oliver A. Wyman
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Aug 13, 1999
Inventor
Oliver A. Wyman
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.