Ear piece having disposable, compressible polymeric foam sleeve
A Standard patent application filed on 20 September 1990 credited to Oliveira, Robert J
;
Babcock, Martin P
;
Chamberlin, Davis W
Details
Application number :
66355
Application type :
Standard
Application status :
EXPIRED
Under opposition :
No
Proceeding type :
Invention title :
Ear piece having disposable, compressible polymeric foam sleeve
Inventor :
Oliveira, Robert J
;
Babcock, Martin P
;
Chamberlin, Davis W
Agent name :
SPRUSON & FERGUSON
Address for service :
GPO Box 3898 SYDNEY NSW 2001
Filing date :
20 September 1990
Associated companies :
Applicant name :
Minnesota Mining and Manufacturing Company
Applicant address :
3M Center P.O. Box 33427 Saint Paul MN 55133-3427 United States Of America