Granted Patent
Utility
US 5,464,893 · App. 08/216,576
Radiation-resistant polycarbonates
Inventors:
Rick L. Archey, Charles E. Lundy, Aaron D. Meltzer, Harald Pielartzik, Gerhard Fennhoff, Ralf Hufen, Klaus Kircher, Rudiger Schubart, Richard Weider
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: Mar 22, 1994
Inventors
Rick L. Archey
Charles E. Lundy
Aaron D. Meltzer
Harald Pielartzik
Gerhard Fennhoff
Ralf Hufen
Klaus Kircher
Rudiger Schubart
Richard Weider
Assignees (at issue)
Bayer Aktiengesellschaft
Bayer Aktiengesellschaft
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.