3 trademarks were found for owners matching the name CALCULATOR WORKSHOP, INC..
#Classstatus
1 S:72212495
M:PORT-A-RATE

O:CALCULATOR WORKSHOP, INC.
38 Dead
2 S:72331321
M:CWI

O:CALCULATOR WORKSHOP, INC., PORTER GODARD, INC.
38 Dead
3 S:72331322
M:PORT.A.SYMBOL

O:CALCULATOR WORKSHOP, INC., PORTER GODARD, INC.
38 Dead
Trademark Alertz updated from USPTO on 2030-01-24