Granted Patent
Utility
US 6,011,091 · App. 08/791,178
Vinyl based cellulose reinforced composite
Inventor:
Burch E. Zehner
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Jan 31, 1997
Inventor
Burch E. Zehner
Assignee (at issue)
Crane Plastics Company LLC
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.