Granted Patent
Utility
US 5,779,285 · App. 08/607,828
Pipe coupling assembly
Inventor:
Dave Robison
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Feb 27, 1996
Inventor
Dave Robison
Assignee (at issue)
Perfection Holdings 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.