Core drill
Latest TING FONG ELECTRIC & MACHINERY CO., LTD. Patents:
Description
Claims
The ornamental design for the core drill, as shown and described.
Referenced Cited
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Patent History
Patent number: D936118
Type: Grant
Filed: Jan 22, 2020
Date of Patent: Nov 16, 2021
Assignee: TING FONG ELECTRIC & MACHINERY CO., LTD. (New Taipei)
Inventor: Hsien-Pei Wang (New Taipei)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/721,635
Type: Grant
Filed: Jan 22, 2020
Date of Patent: Nov 16, 2021
Assignee: TING FONG ELECTRIC & MACHINERY CO., LTD. (New Taipei)
Inventor: Hsien-Pei Wang (New Taipei)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/721,635
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)