Granted Patent
Utility
US 5,124,534 · App. 07/718,955
Heating coil support and insulation mechanism
Inventors:
Steven E. Williams, Donald G. Leeman
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Jun 21, 1991
Inventors
Steven E. Williams
Donald G. Leeman
Assignee (at issue)
Lennox Industries 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.