Charles I. Schrader - Eugene OR Janice E. Schrader - Springfield OR
International Classification:
F24C 114
US Classification:
126287
Abstract:
A damper control system wherein a control screw is threadedly mounted in a door and engages a depending contact arm on a damper to move the damper between a closed position and various open positions.
Myrtle Point Union High School Myrtle Point OR 1956-1960
Community:
Joan Enlund, Richard Baker, Mapril Easton, Sissi Skauge, Lindsay Hauschildt, Tom Whitaker, Laurence Gary, John Tracker, Margaret Tuinstra, Nancy Wagner, Lance Galloway, Sonya Robinson