Granted Patent
Utility
US 5,975,897 · App. 09/201,040
Oral suctioning swab
Inventors:
Donald J. Propp, Gary Gillis
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Nov 30, 1998
Inventors
Donald J. Propp
Gary Gillis
Assignee (at issue)
Tri-State Hospital Supply 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.