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The ornamental design for a drill bit sharpener, as shown. |
FIG. 1 is a left side elevational view of the drill bit sharpener showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a top plan view thereof.
Patent | Priority | Assignee | Title |
7507149, | Mar 06 2007 | Drill bit dresser | |
D342007, | Apr 16 1992 | STONE QUALITY TOOLS | Drill bit sharpener |
D662385, | Jan 04 2012 | Build Ray Enterprise Co., Ltd. | Knife sharpener |
Patent | Priority | Assignee | Title |
1044036, | |||
162593, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 09 1999 | VACCARO, DANIEL | WIZER EQUIPMENT, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009968 | /0797 | |
Jun 18 2007 | AQUARIUM PHARMACEUTICALS, INC | MARS FISHCARE NORTH AMERICA, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 022177 | /0031 |
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