The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 05, 2010
Filed:
Dec. 21, 2005
Thomas E. Drummond, Stillwater, MN (US);
Hatim M. Carim, West St. Paul, MN (US);
Craig D. Oster, Oakdale, MN (US);
Thomas E. Drummond, Stillwater, MN (US);
Hatim M. Carim, West St. Paul, MN (US);
Craig D. Oster, Oakdale, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A stethoscope is provided, comprising: a sound receiving member () for receiving sounds, the sound receiving member capable of transmitting sound received thereby; a head set coupled to the sound receiving member to receive sound transmitted by the sound receiving member; means for reducing frictional noise, said means associated with the sound receiving member to reduce noise caused by relative movement between a surface and the sound receiving member of the chestpiece in contact with the surface.