Granted Patent
Utility
US 5,747,432 · App. 08/608,447
Press molding oil and method of manufacturing press-molded products by using the same
Inventors:
Masao Hayashi, Go Minami, Kuniaki Matsunaga, Tsuyoshi Fujii, Takashi Hayashi
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Feb 28, 1996
Inventors
Masao Hayashi
Go Minami
Kuniaki Matsunaga
Tsuyoshi Fujii
Takashi Hayashi
Assignee (at issue)
Matsushita Electronics 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.