Walworth, WI, US
Information
Patent Grant
Douglas J. Callahan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Miniature Precision Components, Inc.
Douglas John Callahan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Douglas J. Callahan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MINIATURE PRECISION COMPONENTS, INC.
Douglas J. Callahan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
