Granted Patent
Utility
US 5,959,770 · App. 09/090,287
Telescope zoom lens assembly
Inventors:
William C. Perkins, Hiroshi Yoda
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jun 4, 1998
Inventors
William C. Perkins
Hiroshi Yoda
Assignee (at issue)
Bushnell Inc.
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.