Granted Patent
Utility
US 5,611,281 · App. 08/439,063
System for cleaning particles from a surface
Inventors:
Frank C. Corrado, James W. Fischer, Gary R. Larsen, Ronald W. Sweet
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: May 8, 1995
Inventors
Frank C. Corrado
James W. Fischer
Gary R. Larsen
Ronald W. Sweet
Assignee (at issue)
Serater 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.