Patents for B41N 11 - Stereotype mats (4)
05/1981
05/05/1981US4265175 Central support arrangement for printing systems
09/1978
09/26/1978CA1039445A1 Thermoplastic duplication plates and process for manufacture thereof
07/1978
07/25/1978US4103057 Syndiotactic poly(1,2-)butadiene
03/1978
03/14/1978US4079159 Metal, photopolymerized resin