Granted Patent
Utility
US 5,015,660 · App. 07/438,381
Microbicidal/microbistatic composition for industrial use and method of using same
Inventors:
Yasuhiro Hidaka, Toshio Sato, Masanobu Takahashi
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Nov 20, 1989
Inventors
Yasuhiro Hidaka
Toshio Sato
Masanobu Takahashi
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, 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.