David M. Ronyak

Follow

Person

Copley, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Annular filamentary structures and methods of making
- Patent number 5,546,880
- Issue date Aug 20, 1996
- The B. F. Goodrich Company
- David M Ronyak
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Cascaded pneumatic impulse separation system and valves therefor
- Patent number 5,098,061
- Issue date Mar 24, 1992
- The B. F. Goodrich Company
- Robert N. Hohenshil
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Apparatus for engraving the sidewall of a tire
- Patent number 4,041,652
- Issue date Aug 16, 1977
- The Goodyear Tire & Rubber Company
- Andrew A. Graven
- B44 - DECORATIVE ARTS