Granted Patent
Utility
US 6,658,689 · App. 09/877,702
Dual thread broom head connector
Inventor:
Peter S. Vosbikian
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Jun 7, 2001
Inventor
Peter S. Vosbikian
Assignee (at issue)
Quickie Manufacturing 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.