Granted Patent
Utility
US 6,026,804 · App. 08/801,077
Heater for fluids
Inventors:
David L. Schardt, Kendall R. Carter, John M. Stallins, Charles E. Taylor
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Feb 14, 1997
Inventors
David L. Schardt
Kendall R. Carter
John M. Stallins
Charles E. Taylor
Assignee (at issue)
H-TECH AG
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.