ROTOSHEAR by PARKSON CORPORATION (Track this)
Intl: (007) Machinery US: 023 Filing date: 05-Mar-1982 Serial number: 73353216
ISOSHEAR by PCB PIEZOTRONICS OF NORTH CAROLINA, INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 026 Filing date: 06-Jul-1977 Serial number: 73134136