Granted Patent
Utility
US 4,935,116 · App. 07/271,685
Water purification device
Inventor:
George J. LeMire
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Nov 16, 1988
Inventor
George J. LeMire
Assignee (at issue)
Mohawk Systems, 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.