Granted Patent
Utility
US 6,330,121 · App. 09/192,925
Optical prism, display element support and optical assembly using the same
Inventors:
Hiroyoshi Kobayashi, Yoshihiro Maeda
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Nov 16, 1998
Inventors
Hiroyoshi Kobayashi
Yoshihiro Maeda
Assignee (at issue)
Olympus Optical 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.