Granted Patent
Utility
US 4,829,931 · App. 07/052,199
Fixation device
Inventor:
Michio Mogi
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: May 13, 1987
Inventor
Michio Mogi
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.