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We claim the ornamental design for the spade drill bit, as illustrated and described.
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The evenly-spaced broken lines in the drawings depict portions of the spade drill bit that form no part of the claimed design. The “dash-dot” broken lines seen in
Li, Xuan, Weber, Jeffrey Tuttle
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 30 2018 | Disston Company | (assignment on the face of the patent) | / | |||
May 15 2018 | WEBER, JEFFREY TUTTLE | Disston Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045811 | /0078 | |
May 15 2018 | LI, XUAN | Disston Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 045811 | /0078 |
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