Granted Patent
Utility
US 4,879,847 · App. 07/322,360
Cover for pneumatic tool
Inventors:
James K. Butzen, Kenneth C. Happ, Robert D. Giese
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Mar 13, 1989
Inventors
James K. Butzen
Kenneth C. Happ
Robert D. Giese
Assignee (at issue)
Snap-on Tools Company
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.