Granted Patent
Utility
US 6,091,878 · App. 08/974,766
Flexible light pipe for side-lit applications
Inventors:
Mark A. Abramowicz, Jeffrey Lawrence Daecher, Michael Paul Hallden-Abberton
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Nov 20, 1997
Inventors
Mark A. Abramowicz
Jeffrey Lawrence Daecher
Michael Paul Hallden-Abberton
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.