Mark Identification

MASTER SIMPLE MACHINE STATION

Serial Number

78209428

Filing Date

Jan 31, 2003

Registration Date

May 11, 2004

Trademark by

ZULAUF GREGORY A.

Classification Information

Educational science equipment used for student learning of simple machine principles, consisting of an inclined plane with wood car, wheel and axle, lever arm and pulley system with wood/plastic frame to support each substation, associated weights, force spring scales, distance measuring aid for calculating work, mechanical advantage and efficiency and instruction manuals sold as a unit therewith

Electrical and Scientific Apparatus