Granted Patent
Utility
US 5,481,856 · App. 08/342,253
Method and apparatus for cutting aquatic vegetation
Inventors:
Ricard J. Wickoren, Dean R. Wickoren
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Nov 18, 1994
Inventors
Ricard J. Wickoren
Dean R. Wickoren
Assignee (at issue)
Innovative Material Systems, 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.