Patent
   D305065
Priority
Feb 19 1983
Filed
Aug 22 1986
Issued
Dec 12 1989
Expiry
Dec 12 2003
Assg.orig
Entity
unknown
15
17
n/a
The ornamental design for bellows for sugrical drainage, as shown.

FIG. 1 is a front elevational view of a bellows for surgical drainage showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Wellenstam, Kjell I., Buchel, Udo P.

Patent Priority Assignee Title
6706000, Nov 21 1997 Roche Diabetes Care, Inc Methods and apparatus for expressing body fluid from an incision
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8740813, May 17 1996 Roche Diabetes Care, Inc Methods and apparatus for expressing body fluid from an incision
9538941, Jun 08 2001 Roche Diabetes Care, Inc Devices and methods for expression of bodily fluids from an incision
D312132, Sep 16 1987 Uresil, LLC Surgical drainage unit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 22 1986Astra Meditec Akteibolag(assignment on the face of the patent)
Oct 15 1986BUCHEL, UDO P Astra Meditec AktiebolagASSIGNMENT OF ASSIGNORS INTEREST 0046280086 pdf
Oct 15 1986WELLENSTAM, KJELL I Astra Meditec AktiebolagASSIGNMENT OF ASSIGNORS INTEREST 0046280086 pdf
Apr 14 1992Astra Meditec AktiebolagAstra Tech AktiebolagASSIGNMENT OF ASSIGNORS INTEREST 0062680017 pdf
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