Granted Patent
Utility
US 6,248,813 · App. 09/595,690
Vinyl based cellulose reinforced composite
Inventor:
Burch E. Zehner
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Jun 16, 2000
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.