Granted Patent
Utility
US 5,656,248 · App. 08/492,296
Multi-stage infectious waste treatment system
Inventors:
Daniel Kline, Robert S. Meijer
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Jun 19, 1995
Inventors
Daniel Kline
Robert S. Meijer
Assignee (at issue)
Winfield Industries
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.