Granted Patent
Utility
US 4,541,139 · App. 06/500,662
Broom shroud
Inventors:
David A. Jones, Daniel A. Maust
Patented Case
View Patent ↗
Granted: Sep 17, 1985
Filed: Jun 3, 1983
Inventors
David A. Jones
Daniel A. Maust
Assignee (at issue)
The Drackett Company
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.