Granted Patent
Utility
US 5,358,480 · App. 08/000,205
Method of using a swab
Inventors:
Jerald R. Melcher, Debra A. Speichert
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Jan 4, 1993
Inventors
Jerald R. Melcher
Debra A. Speichert
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.