Matches 1 - 15 out of 15
Match Document Document Title
4506824 Paper cutter  
A paper cutter for separating exposure areas positioned along the longitudinal axis of a web of photographic material. Individual print areas within an exposure area are also separated. The print...
3718594 METHOD OF PREPARING MAGNETICALLY RESPONSIVE CARRIER PARTICLES  
Ferromagnetic carrier particles having uniform surface and triboelectric properties can be prepared by treatment of commercial iron powders in an aqueous acid solution, followed by removal of acid,...
3490687 DOCUMENT SPACING CONTROL APPARATUS  
3278897 Method and apparatus for error correction of information recorded in a combined printing and recording machine  
3275232 Proof encoder and perforating system therefor  
3073518 Programme controlled board piercing equipment  
3016186 Tape reading punch  
2857001 Record controlled record reproducing machine  
2850095 Apparatus and method for making serial number tape  
2846007 Automatic error deletion for paper tape  
2844307 Record-controlled apparatus  
2840165 Punch mechanism for punching statistical records  
1241248 Title is not available  
1241269 Title is not available  
0938452 Title is not available  
Matches 1 - 15 out of 15