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:
Mar. 11, 1997
Filed:
Oct. 23, 1995
Applicant:
Inventors:
James F Dyrud, New Richmond, WI (US);
Gerald V Elstran, Woonsocket, SD (US);
Paul E Olson, Stillwater, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
128864 ; 128865 ; 128897 ;
Abstract
A method for forming an earplug containment device comprising providing at least one thin-walled, hollow sleeve having an inside diameter less than the diameter of the human ear canal, compressing a slow-recovery earplug having a diameter greater than that of the human ear canal to a cross-sectional size less than that of said sleeve, and inserting said compressed earplug into said sleeve.