Invention Grant
- Patent Title: One piece stethoscope diaphragm
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Application No.: US15500128Application Date: 2015-07-30
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Publication No.: US10398406B2Publication Date: 2019-09-03
- Inventor: Joseph P. Keller , Dean Sitz , Mary Jo Johnson
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN Saint Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN Saint Paul
- Agency: 3M Innovative Properties Company
- Agent Jonathan V. Sry
- International Application: PCT/US2015/042851 WO 20150730
- International Announcement: WO2016/022380 WO 20160211
- Main IPC: A61B7/02
- IPC: A61B7/02 ; A61B7/00 ; G10K11/18

Abstract:
The present invention is a diaphragm including a disc formed from a first material and a rim formed from a second material. The disc and the rim are a unitary piece. The rim has a Shore A durometer hardness of between about 40 and 110.
Public/Granted literature
- US20180214114A1 ONE PIECE STETHOSCOPE DIAPHRAGM Public/Granted day:2018-08-02
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