Granted Patent
Utility
US 6,347,455 · App. 09/740,023
String trimmer head
Inventors:
Ronald G. Brant, John L. Beafore
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Dec 20, 2000
Inventors
Ronald G. Brant
John L. Beafore
Assignee (at issue)
Murray 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.