Granted Patent
Utility
US 5,293,862 · App. 07/867,874
Disposable speculum with bonding ring
Inventors:
Gary J. O'Hara, David B. Phillips, Kishan G. Hingorani
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Apr 13, 1992
Inventors
Gary J. O'Hara
David B. Phillips
Kishan G. Hingorani
Assignee (at issue)
Sherwood IMS, Inc.
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.