Granted Patent
Utility
US 6,186,868 · App. 09/453,103
Chilled temperature polishing method for soft acrylic articles
Inventors:
Bryan L. Cremeans, Teresa L. Pickett, Jennia Tucker
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Dec 2, 1999
Inventors
Bryan L. Cremeans
Teresa L. Pickett
Jennia Tucker
Assignee (at issue)
Alcon Laboratories, Inc.
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.