Karl Harper

Follow

Person

Swadlincote, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Fluid flow control valves
- Patent number 9,765,901
- Issue date Sep 19, 2017
- WARWICK MUSIC LIMITED
- Karl Harper
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Fluid Flow Control Valves
- Publication number 20150317961
- Publication date Nov 5, 2015
- WARWICK MUSIC LIMITED
- Karl Harper
- G10 - MUSICAL INSTRUMENTS ACOUSTICS