Granted Patent
Utility
US 4,347,455 · App. 06/141,539
Removable brush holder with brush clamping device
Inventors:
Jeffrey T. Major, LeRoy A. Yard, Danny B. Holzscheiter
Patented Case
View Patent ↗
Granted: Aug 31, 1982
Filed: Apr 18, 1980
Inventors
Jeffrey T. Major
LeRoy A. Yard
Danny B. Holzscheiter
Assignee (at issue)
Eltra 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.