Granted Patent
Utility
US 5,555,780 · App. 08/446,286
Roofing washer-dispensing and fastener-driving machine
Inventors:
John R. Beach, Sigismund G. Paul, Daniel James Kenny, Syed R. Hasan, James E. Doherty
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: May 22, 1995
Inventors
John R. Beach
Sigismund G. Paul
Daniel James Kenny
Syed R. Hasan
James E. Doherty
Assignee (at issue)
ILLINOIS TOOL WORKS 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.