Granted Patent
Utility
US 4,507,379 · App. 06/525,318
Method for converting radiographic images
Inventors:
Hisanori Tsuchino, Manami Teshima, Hiroshi Takeuchi, Fumio Shimada
Patented Case
View Patent ↗
Granted: Mar 26, 1985
Filed: Aug 22, 1983
Inventors
Hisanori Tsuchino
Manami Teshima
Hiroshi Takeuchi
Fumio Shimada
Assignee (at issue)
Konishiroku Photo Industry 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.