Patent
   D307472
Priority
Apr 22 1987
Filed
Oct 21 1987
Issued
Apr 24 1990
Expiry
Apr 24 2004
Assg.orig
Entity
unknown
4
2
n/a
The ornamental design for a drill-mountable tool for the installation and removal of threaded dental prosthetic elements, substantially as shown and described.

FIG. 1 is a top and front perspective view of a drill-mountable tool for the installation and removal of threaded dental prosthetic elements showing my new design;

FIG. 2 is a bottom and rear perspective view thereof; and

FIG. 3 is a bottom and side perspective view thereof, the opposite side being a mirror image of that shown.

Soderberg, Per O.

Patent Priority Assignee Title
D381425, Oct 31 1995 Smith & Nephew, Inc Hub for a surgical instrument
D390955, Oct 31 1995 Smith & Nephew, Inc Hub for a surgical instrument
D390956, Oct 31 1995 Smith & Nephew, Inc Hub for a surgical instrument
D397437, Jun 15 1993 Hall Surgical Bone milling burr shaft
Patent Priority Assignee Title
D246112, Apr 07 1976 Dental pin wrench
D268615, Apr 24 1980 Combined dental pin and chuck
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 15 1987SODERBERG, PER O ASTRA MEDITEC AKTIEBOLAG, BOX 14, S-431 21 MOLNDAL, SWEDEN A SWEDEN COMPANYASSIGNMENT OF ASSIGNORS INTEREST 0048160705 pdf
Oct 21 1987Astra Meditec Aktiebolog(assignment on the face of the patent)
Apr 14 1992Astra Meditec AktiebolagAstra Tech AktiebolagASSIGNMENT OF ASSIGNORS INTEREST 0062680017 pdf
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