Granted Patent
Utility
US 4,885,855 · App. 06/721,126
Antibacterial attachment
Inventors:
George B. Marks, Sr., D. Michael Fearing
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Apr 8, 1985
Inventors
George B. Marks, Sr.
D. Michael Fearing
Assignee (at issue)
Fearing Manufacturing Co., 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.