Granted Patent
Utility
US 6,180,257 · App. 08/739,416
Compression molding of synthetic wood material
Inventors:
Jeffrey R. Brandt, Burch E. Zehner
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Oct 29, 1996
Inventors
Jeffrey R. Brandt
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.