Granted Patent
Utility
US 6,717,754 · App. 10/347,918
Lens-holding frame
Inventors:
Ken Hirunuma, Gouji Funatsu
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jan 22, 2003
Inventors
Ken Hirunuma
Gouji Funatsu
Assignee (at issue)
Pentax 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.