Granted Patent
S1
US 1,068,884 · App. 29/811,488 · Granted Apr 1, 2025
Polycrystalline diamond compact with a raised parallelogram surface and a groove formed therein
Inventors:
Haijiang Fang (Zhengzhou, CN); Weifeng Du (Zhengzhou, CN); Yongfeng Wang (Zhengzhou, CN); Jian Yang (Zhengzhou, CN)
Assignee:
SF DIAMOND CO., LTD.
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Claims (1)
The ornamental design for a polycrystalline diamond compact with a raised parallelogram surface and a groove formed therein as shown and described.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Nov 23, 2021
From: FANG, HAIJIANG; DU, WEIFENG; WANG, YONGFENG; YANG, JIAN
To: SF DIAMOND CO., LTD.
Reel/Frame 058197/0285 →
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