Granted Patent
Utility
US 5,992,414 · App. 09/140,144
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Inventors:
Amad Tayebi, Ashish K. Mithal, George S. Saati, Scott W. Cormier
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Aug 26, 1998
Inventors
Amad Tayebi
Ashish K. Mithal
George S. Saati
Scott W. Cormier
Assignee (at issue)
Mine Safety Appliances Company, LLC
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.