Granted Patent
Utility
US 6,093,481 · App. 09/035,955
Insulating sheathing with tough three-ply facers
Inventors:
Gregory W. Lynn, Wayne E. Laughlin, James M. Elstun
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Mar 6, 1998
Inventors
Gregory W. Lynn
Wayne E. Laughlin
James M. Elstun
Assignee (at issue)
Celotex Corporation
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.