Serial Number
73304524
Filing Date
Apr 6, 1981
Trademark by
Classification Information
DESIGN AND DEVELOPMENT OF NEW CONCEPTS IN ROTARY EXPANSION AND DESIGN AND DEVELOPMENT OF NEW CONCEPTS IN ROTARY EXPANSION AND COMPRESSION DEVICES UTILIZING EPITROCHOIDAL AND HYPOTROCHOIDAL COMPRESSION DEVICES UTILIZING EPITROCHOIDAL AND HYPOTROCHOIDAL GEOMETRIES GEOMETRIES
Computer and Scientific