Granted Patent
Utility
US 5,224,264 · App. 07/862,298
Process for producing a film carrier having a superior lead strength
Inventors:
Akio Takahashi, Shigenori Tokunaga, Hidenori Furukawa, Haruo Kato
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Apr 2, 1992
Inventors
Akio Takahashi
Shigenori Tokunaga
Hidenori Furukawa
Haruo Kato
Assignee (at issue)
Chisso 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.