Granted Patent
Utility
US 5,282,875 · App. 08/044,914
High density sol-gel alumina-based abrasive vitreous bonded grinding wheel
Inventors:
William P. Wood, Soo C. Yoon
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Apr 8, 1993
Inventors
William P. Wood
Soo C. Yoon
Assignees (at issue)
Cincinnatti Milacron Inc.
Minnesota Mining and Manufacturing Company
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.