Granted Patent
Utility
US 5,997,474 · App. 09/252,483
Vaginal specula
Inventor:
Kester J. Batchelor
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Feb 18, 1999
Inventor
Kester J. Batchelor
Assignee (at issue)
Smiths Industries Public Limited Company
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.