Granted Patent
Utility
US 4,754,581 · App. 06/934,959
Close-capture travelling hood for travelling hardwheel grinder
Inventors:
Nicholas M. Lengyel, Dale E. Hewitt
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Nov 26, 1986
Inventors
Nicholas M. Lengyel
Dale E. Hewitt
Assignee (at issue)
Titanium Metals Corporation of America (TIMET)
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.