Granted Patent
Utility
US 4,436,772 · App. 06/460,380
Anticorrosive coating process
Inventors:
Masaaki Yamabe, Hiromichi Higaki, Toshio Shinohara, Hiroyuki Tanabe, Shunsuke Nakayama
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Jan 24, 1983
Inventors
Masaaki Yamabe
Hiromichi Higaki
Toshio Shinohara
Hiroyuki Tanabe
Shunsuke Nakayama
Assignees (at issue)
DAI NIPPON TORYO CO., LTD.
ASAHI GLASS CO., 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.