Granted Patent
Utility
US 5,415,641 · App. 07/970,323
Drop detection method and apparatus
Inventors:
Denis Y. Yerlikaya, Randall J. Krohn
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Nov 2, 1992
Inventors
Denis Y. Yerlikaya
Randall J. Krohn
Assignee (at issue)
Sherwood Medical 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.