Details
- Application number :
- 81319
- Application type :
- Standard
- Application status :
- EXPIRED
- Under opposition :
- No
- Proceeding type :
-
- Invention title :
- Multifocal diffractive ophthalmic lenses
- Inventor :
- Simpson, Michael John
;
Futhey, John Andrew
- Agent name :
- SPRUSON & FERGUSON
- Address for service :
- GPO Box 3898 SYDNEY NSW 2001
- Filing date :
- 24 July 1991
- Associated companies :
-
- Applicant name :
- Minnesota Mining and Manufacturing Company
- Applicant address :
- 3M Center Saint Paul Minnesota 55144-1000 United States Of America
- Old name :
-
- Original Source :
- Go