Granted Patent
Utility
US 4,988,028 · App. 07/445,076
Automatic riveting machine
Inventors:
Charles F. Smart, Raymond H. Varian, Anthony D'Aquila
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Dec 1, 1989
Inventors
Charles F. Smart
Raymond H. Varian
Anthony D'Aquila
Assignee (at issue)
Emhart 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.