Granted Patent
Utility
US 6,808,136 · App. 10/169,867
Fine media mill with improved disc
Inventors:
John R. Sneeringer, Charles MacNeall
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Oct 3, 2002
Inventors
John R. Sneeringer
Charles MacNeall
Assignee (at issue)
Premier Mill Corporation
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.