Granted Patent
Utility
US 5,978,741 · App. 08/872,035
Vacuum fixture
Inventors:
David D. Elmore, Daniel A. Staver, Jeffrey W. Mammen
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Apr 9, 1997
Inventors
David D. Elmore
Daniel A. Staver
Jeffrey W. Mammen
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.