Granted Patent
Utility
US 5,547,683 · App. 08/244,375
Method for producing microgranulated particle
Inventors:
Yoshiaki Yano, Tamiji Fujimoto, Takayoshi Hidaka
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Jun 8, 1994
Inventors
Yoshiaki Yano
Tamiji Fujimoto
Takayoshi Hidaka
Assignee (at issue)
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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.