Granted Patent
Utility
US 5,174,255 · App. 07/542,438
Portable hand-held blower unit
Inventors:
Imack L. Collins, David Wiseman
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Jun 22, 1990
Inventors
Imack L. Collins
David Wiseman
Assignee (at issue)
White Consolidated Industries, Inc.
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.