Combination tube and headset of a stethoscope
Latest MDF Instruments USA, Inc. Patents:
The broken lines shown in the views are included for the purpose of illustrating portions of the combination tube and headset of a stethoscope that form no part of the claimed design.
The ornamental design for a combination tube and headset of a stethoscope, as shown and described.
|4254302||March 3, 1981||Walshe|
|5252787||October 12, 1993||Moore et al.|
|D362063||September 5, 1995||Savage et al.|
|5774563||June 30, 1998||DesLauriers et al.|
|6026170||February 15, 2000||Dieken et al.|
|6165035||December 26, 2000||Avner|
|6210344||April 3, 2001||Perin et al.|
|D485357||January 13, 2004||Kapinos, Sr.|
|6848537||February 1, 2005||Deslauriers et al.|
|6932186||August 23, 2005||Costa et al.|
|D589144||March 24, 2009||Bagha et al.|
|7735598||June 15, 2010||Nakamura|
|D639427||June 7, 2011||Boyd et al.|
|20100155173||June 24, 2010||Boyd et al.|
- MDF Instruments Stethoscope Collection Brochure, dated May 10, 2011.
- MDF Instruments Product Brochure, dated earlier than Apr. 2012 (exact date unknown).
- MDF Instruments ProCardial Stethoscope Brochure, dated Apr. 4, 2012.
- MDF Instruments Cardio-X Stethoscope Brochure, dated Mar. 15, 2012.