Granted Patent
Utility
US 5,406,641 · App. 08/076,039
Flexible light pipe, cured composite and processes for preparation thereof
Inventors:
Andrew B. W. Bigley, Jr., Jeffrey Lawrence Daecher, Norman L. Holy, Robert E. Jerman, Phelps B. Johnson, William J. Work
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jun 15, 1993
Inventors
Andrew B. W. Bigley, Jr.
Jeffrey Lawrence Daecher
Norman L. Holy
Robert E. Jerman
Phelps B. Johnson
William J. Work
Assignee (at issue)
Rohm and Haas Company
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.