Granted Patent
Utility
US 5,980,976 · App. 09/173,104
Method for constructing el system in monolithic structure
Inventor:
Kenneth Burrows
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Oct 15, 1998
Inventor
Kenneth Burrows
Assignee (at issue)
E. L. Specialists, Inc.
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.