Digital staff
Latest INCHEON SURVEY INSTRUMENT CO., LTD. Patents:
Description
Claims
The ornamental design for a digital staff, as shown and described.
Referenced Cited
Patent History
Patent number: D850944
Type: Grant
Filed: Dec 15, 2017
Date of Patent: Jun 11, 2019
Assignee: INCHEON SURVEY INSTRUMENT CO., LTD. (Incheon)
Inventors: Hi Song Eun (Incheon), Dae Hyun Lee (Seoul), Yun Kyu Lee (Seoul), Hee Chul Shin (Seoul)
Primary Examiner: Antoine Duval Davis
Application Number: 29/629,719
Type: Grant
Filed: Dec 15, 2017
Date of Patent: Jun 11, 2019
Assignee: INCHEON SURVEY INSTRUMENT CO., LTD. (Incheon)
Inventors: Hi Song Eun (Incheon), Dae Hyun Lee (Seoul), Yun Kyu Lee (Seoul), Hee Chul Shin (Seoul)
Primary Examiner: Antoine Duval Davis
Application Number: 29/629,719
Classifications
Current U.S. Class:
Linear Or Distance (9) (D10/70)