Granted Patent
Utility
US 4,698,266 · App. 06/799,088
Coated cemented carbide tool for steel roughing applications and methods for machining
Inventors:
Sergei-Tomislav V. Buljan, Helmut Lingertat, J. Gary Baldoni, Vinod K. Sarin
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Nov 18, 1985
Inventors
Sergei-Tomislav V. Buljan
Helmut Lingertat
J. Gary Baldoni
Vinod K. Sarin
Assignee (at issue)
GTE Laboratories Incorporated
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.