Granted Patent
Utility
US 6,484,351 · App. 09/821,960
Latching system for a vacuum cleaner with detachable blower
Inventors:
Ronald Griffin, Craig A. Seasholtz
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 30, 2001
Inventors
Ronald Griffin
Craig A. Seasholtz
Assignee (at issue)
SHOP VAC 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.