Granted Patent
Utility
US 4,594,902 · App. 06/768,596
Method and apparatus for sample retrieval from pharmaceutical dissolution testers
Inventors:
Bruce J. Compton, Orville N. Hinsvark
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Aug 23, 1985
Inventors
Bruce J. Compton
Orville N. Hinsvark
Assignee (at issue)
Pennwalt Corporation
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.