Patent
   D309559
Priority
Oct 02 1987
Filed
Oct 02 1987
Issued
Jul 31 1990
Expiry
Jul 31 2004
Assg.orig
Entity
unknown
3
2
n/a
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.

Vaccaro, Daniel

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,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 09 1999VACCARO, DANIELWIZER EQUIPMENT, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0099680797 pdf
Jun 18 2007AQUARIUM PHARMACEUTICALS, INC MARS FISHCARE NORTH AMERICA, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0221770031 pdf
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