Granted Patent
Utility
US 5,421,360 · App. 08/058,422
Float assisted automatic driptrap
Inventors:
Louis R. Castaneda, Milton Anderson
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: May 7, 1993
Inventors
Louis R. Castaneda
Milton Anderson
Assignee (at issue)
Groth LLC
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.