Granted Patent
Utility
US 5,155,945 · App. 07/471,385
Abrasive finishing elements, tools made from such elements, and methods of making such tools
Inventors:
James B. Tyler, Alfred F. Scheider, R. Brown Warner
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jan 29, 1990
Inventors
James B. Tyler
Alfred F. Scheider
R. Brown Warner
Assignee (at issue)
Jason 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.