Granted Patent
Utility
US 6,094,823 · App. 09/042,439
Method and apparatus for anchoring flails on a string trimmer
Inventors:
Trever S. Brown, Darrel E. Williamson
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Mar 13, 1998
Inventors
Trever S. Brown
Darrel E. Williamson
Assignee (at issue)
Jenn Feng Industrial Co., Ltd.
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.