Granted Patent
Utility
US 4,628,835 · App. 06/656,084
Waste fluid incinerator having heat recovery means
Inventor:
Karl E. Wollner
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Sep 28, 1984
Inventor
Karl E. Wollner
Assignee (at issue)
VAPOR CORP.
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.