DYNACRAFT by PACCAR INC. (Track this)
Intl: (007) Machinery US: 035 Filing date: 10-Dec-1973 Serial number: 73008399
DYNACHECK by SCULLY SIGNAL COMPANY (Track this)
Intl: (009) Electrical and scientific apparatus US: 026 Filing date: 16-Oct-1970 Serial number: 72373500