Granted Patent
Utility
US 5,872,202 · App. 08/945,268
Polymethacrylate molding compound with ethylene
Inventors:
Werner Siol, Michael Wicker
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Dec 22, 1997
Inventors
Werner Siol
Michael Wicker
Assignee (at issue)
Roehm GmbH
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.