IP Library › Granted Patent US 4,693,944
Granted Patent Utility
US 4,693,944 · App. 06/910,834

Surface-coated wear-resistant member of cermet and process for producing same

Inventors: Taijiro Sugisawa, Akio Nishiyama
Patented Case View Patent ↗
Granted: Sep 15, 1987 Filed: Sep 23, 1986
Inventors
Taijiro Sugisawa
Akio Nishiyama
Assignee (at issue)
Mitsubishi Kinzoku Kabushiki Kaisha

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,693,944
App. No.
06/910,834
Filed
1986-09-23
Granted
1987-09-15
Kind
A