Ryan C. Ast

Follow

Person

Lawrence, KS, US

People

Patents Grantslast 30 patents

Information Patent Grant
Adjustable watch crystal apparatus
- Patent number 7,083,326
- Issue date Aug 1, 2006
- Ryan C. Ast
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Adjustable watch crystal apparatus
- Publication number 20060062090
- Publication date Mar 23, 2006
- Ryan C. Ast
- G04 - HOROLOGY