Granted Patent
Utility
US 6,032,328 · App. 09/021,495
Crevice cleaning tool for a vacuum cleaner apparatus
Inventors:
Richard Harmon, Steve Wood
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Feb 10, 1998
Inventors
Richard Harmon
Steve Wood
Assignee (at issue)
REXAIR LLC
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.