Granted Patent
Utility
US 4,924,860 · App. 07/237,136
Water trap and associated control system
Inventors:
Timothy P. Larsen, James A. Devine, Michael T. Larsen
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Aug 26, 1988
Inventors
Timothy P. Larsen
James A. Devine
Michael T. Larsen
Assignee (at issue)
Criticare 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.