Granted Patent
Utility
US 4,235,244 · App. 05/928,702
Microbiological specimen sampling device
Inventors:
John E. Abele, Robert G. Brown
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: Jul 27, 1978
Inventors
John E. Abele
Robert G. Brown
Assignee (at issue)
Medi-Tech Co., Ltd.
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.