Granted Patent
Utility
US 5,906,544 · App. 08/991,200
Washer assembly apparatus
Inventors:
Gregory A. Smith, Gregory W. Kiser
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Dec 16, 1997
Inventors
Gregory A. Smith
Gregory W. Kiser
Assignee (at issue)
NATIONAL MACHINE 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.