Granted Patent
Utility
US 4,856,909 · App. 06/877,146
Pharmacological dissolution method and apparatus
Inventors:
Gunvant N. Mehta, Dennis J. Wertan, Wayne M. Grim
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Jun 23, 1986
Inventors
Gunvant N. Mehta
Dennis J. Wertan
Wayne M. Grim
Assignee (at issue)
Rorer Pharmaceutical 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.