John S. Efroymson

Follow

Person

Toledo, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic eyewear cleaner
- Patent number 6,821,355
- Issue date Nov 23, 2004
- Sharper Image Corporation
- Charles E. Taylor
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Automatic eyeglass cleaner
- Publication number 20060157089
- Publication date Jul 20, 2006
- Charles E. Taylor
- G02 - OPTICS
Information Patent Application
Automatic eyewear cleaner
- Publication number 20050061359
- Publication date Mar 24, 2005
- Sharper Image Corporation
- Charles E. Taylor
- B08 - CLEANING