Patent
   D256951
Priority
Jan 26 1978
Filed
Jan 26 1978
Issued
Sep 16 1980
Expiry
Sep 16 1994
Assg.orig
Entity
unknown
22
6
n/a
The ornamental design for a dual stethoscope microphone, substantially as shown.

FIG. 1 is a front perspective view of a dual stethoscope microphone showing my new design;

FIG. 2 is a rear perspective thereof;

FIG. 3 is a side elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a front elevation thereof;

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

Allen, Derek R.

Patent Priority Assignee Title
11369336, Sep 19 2017 3M Innovative Properties Company Ergonomic chestpiece
D269295, Mar 02 1981 Stethoscope head
D277890, May 12 1982 Minnesota Mining and Manufacturing Company Stethoscope head
D323394, Jul 28 1989 Minnesota Mining and Manufacturing Company; MINNESOTA MINING AND MANUFACTURING COMPANY, SAINT PAUL MN A CORP OF DE Stethoscope chestpiece
D337381, Feb 20 1991 Minnesota Mining and Manufacturing Company Ergonometric stethoscope chestpiece
D395509, Aug 03 1994 Minnesota Mining and Manufacturing Company Stethoscope chestpiece
D422701, Dec 10 1998 Stethoscope diaphragm cover
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D858759, Sep 19 2017 SOLVENTUM INTELLECTUAL PROPERTIES COMPANY Stethoscope chestpiece
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D932008, Nov 07 2019 WUXI KAISHUN MEDICAL DEVICE MANUFACTURING CO., LTD. Stethoscope head
D932619, Jul 31 2019 INNOVATIONS INTERNATIONAL, LLC Stethoscope
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D950053, Jul 31 2019 INNOVATIONS INTERNATIONAL LLC Stethoscope
D953011, May 07 2020 Dental retainer case
D961770, Jul 22 2020 Chukwuemeka Anderson, Obi Stethoscope
D962429, Aug 19 2020 Electronic stethoscope
Patent Priority Assignee Title
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3630308,
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