Granted Patent
Utility
US 6,019,072 · App. 09/001,529
Methods employing an internal combustion fastener driving tool
Inventors:
Alan Phillips, John Schnell
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Dec 31, 1997
Inventors
Alan Phillips
John Schnell
Assignee (at issue)
Porter-Cable Corporation
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.