Granted Patent
Utility
US 6,624,402 · App. 09/852,022
Surveying instrument, surveying instrument having AF function, surveying instrument having PF mechanism, and surveying instrument having multiple-focus function
Inventors:
Kenji Kaneko, Tadahisa Hoshino, Shinichi Suzuki, Homu Takayama, Takanori Yachi, Masayuki Ueno, Masahiro Sakurai, Go Watanabe
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: May 10, 2001
Inventors
Kenji Kaneko
Tadahisa Hoshino
Shinichi Suzuki
Homu Takayama
Takanori Yachi
Masayuki Ueno
Masahiro Sakurai
Go Watanabe
Assignee (at issue)
PENTAX Precision 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.