The GR Store GR Dealers Help Me Choose! About GR Contact
 

Mouthpiece Components

GR Rims

GR Cups

GR Backbores

GR Blanks
 

Trumpet Mouthpieces

Compu-Balanced

Signature

Vintage

 

Cornet Mouthpieces

Compu-Balanced

Sparx Series

 

Flugelhorn

Mouthpieces

Leadpipes

 

Piccolo Trumpet

Mouthpieces

Adapters
 

GR Consultations

 

Pricing, Ordering, Shipping

 

 
 
GR Technologies
PO Box 96
Dousman WI. 53118-0096
(705) 715-7060
info@grmouthpieces.com
 
 

GR Technologies L.L.C.

All Inquiries to:

P.O. Box 96

Dousman, Wisconsin U.S.A. 53118 - 0096

Gary R. Radtke - President

 

Brian Scriver - Customer Service

Cookstown, Ontario Canada

(705) 715-7060*

*Canadian Phone Number

info@grmouthpieces.com
Gary Radtke Brian Scriver
           
All material copyright GR Technologies.
GR® is a registered trademark and must not be used without permission.