Granted Patent
Utility
US 4,923,086 · App. 07/298,415
Ice guards
Inventors:
Terrence K. Mahon, Daniel A. Matre
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jan 18, 1989
Inventors
Terrence K. Mahon
Daniel A. Matre
Assignee (at issue)
The Vollrath Company, LLC
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.