Granted Patent
Utility
US 5,809,587 · App. 08/810,545
Safety device for a suction outlet
Inventor:
Gene Fleischer
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Mar 3, 1997
Inventor
Gene Fleischer
Assignee (at issue)
H-TECH AG
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.