Granted Patent
Utility
US 6,042,918 · App. 08/650,391
Surface conditioning articles and process for making same
Inventors:
Marian R. Appelt, Loren L. Barber, Jr., Lacy Max Hurlocker, Ronald E. Lux, John B. Young
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: May 20, 1996
Inventors
Marian R. Appelt
Loren L. Barber, Jr.
Lacy Max Hurlocker
Ronald E. Lux
John B. Young
Assignee (at issue)
3M INNOVATIVE PROPERTIES 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.