Granted Patent
Utility
US 4,616,580 · App. 06/694,033
Anhydrous knife
Inventors:
Alan R. Moore, Nicholas M. Januszewski
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Jan 23, 1985
Inventors
Alan R. Moore
Nicholas M. Januszewski
Assignee (at issue)
Hayes-Albion 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.