External ear canal pressure regulating device and tinnitus suppression device
A Standard patent application filed on 09 May 1990 credited to Stypulkowski, Paul H.
;
Van Den Honert, Christopher
Details
Application number :
54873
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
External ear canal pressure regulating device and tinnitus suppression device
Inventor :
Stypulkowski, Paul H.
;
Van Den Honert, Christopher
Agent name :
SPRUSON & FERGUSON
Address for service :
GPO Box 3898 SYDNEY NSW 2001
Filing date :
09 May 1990
Associated companies :
Applicant name :
Minnesota Mining and Manufacturing Company
Applicant address :
3M Center, Saint Paul, Minnesota 55144-1000, United States of America