Granted Patent
Utility
US 5,547,548 · App. 08/276,319
Pyrolysis process water utilization
Inventor:
Mark A. Siddoway
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Jul 18, 1994
Inventor
Mark A. Siddoway
Assignee (at issue)
Tek-Kol
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.