Granted Patent
Utility
US 4,821,740 · App. 07/120,555
Endermic application kits for external medicines
Inventors:
Shunro Tachibana, Uichi Shibata
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Nov 13, 1987
Inventors
Shunro Tachibana
Uichi Shibata
Assignees (at issue)
Shunro Tachibana
MEIJI SEIKA KAISHA, LTD.
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.