Granted Patent
Utility
US 6,080,973 · App. 09/294,765
Electric water heater
Inventor:
Carlisle Thweatt, Jr.
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Apr 19, 1999
Inventor
Carlisle Thweatt, Jr.
Assignee (at issue)
Sherwood-Templeton Coal Company, 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.