Apparatus for indenting panels
Apparatus for locating utility structures behind construction pa
Enhanced pinmat for manufacturing high-strength perforated...
Fruit and vegetable decorative carving device
Method of forming perforating rule and blades
Needle roller arrangement with several needle rollers for perfor
Nicked cutting rule
Paper perforating assembly
Perforating knife
Perforating tools having plural blades
Perforation rule for rotary cutting system
Punching apparatus and punch
Roll fed rotary web device with improved perforator
Tool for making rows of perforations in paper webs or the like