Variable focal length lens
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Description
The broken lines showing an image pickup device and a microscope in
Claims
The ornamental design for a variable focal length lens, as shown and described.
Referenced Cited
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Patent History
Patent number: D870795
Type: Grant
Filed: Jul 30, 2018
Date of Patent: Dec 24, 2019
Assignee: MITUTOYO CORPORATION (Kanagawa)
Inventors: Masaki Okayasu (Tokyo), Masafumi Yamanaka (Kawasaki), Isaiah Freerksen (Bothell, WA), Masanori Arai (Kawasaki), Tatsuya Nagahama (Kawasaki), Shigeru Ohtani (Kawasaki), Yu Sugai (Hadano), Yoshiro Asano (Tokyo)
Primary Examiner: Ramzi S Almatrahi
Application Number: 29/658,259
Type: Grant
Filed: Jul 30, 2018
Date of Patent: Dec 24, 2019
Assignee: MITUTOYO CORPORATION (Kanagawa)
Inventors: Masaki Okayasu (Tokyo), Masafumi Yamanaka (Kawasaki), Isaiah Freerksen (Bothell, WA), Masanori Arai (Kawasaki), Tatsuya Nagahama (Kawasaki), Shigeru Ohtani (Kawasaki), Yu Sugai (Hadano), Yoshiro Asano (Tokyo)
Primary Examiner: Ramzi S Almatrahi
Application Number: 29/658,259
Classifications
Current U.S. Class:
Element (D16/219)