4 trademarks were found for owners matching the name C. O. PORTER MACHINERY COMPANY.
#Classstatus
1 S:73342079
M:MISCELLANEOUS

O:C. O. PORTER MACHINERY COMPANY
7 Dead
2 S:73342080
M:THE BIG GUY
O:C. O. PORTER MACHINERY COMPANY
7 Dead
3 S:73104505
M:

O:C. O. PORTER MACHINERY COMPANY
7 Dead
4 S:73104506
M:THE LITTLE GUY
O:C. O. PORTER MACHINERY COMPANY
7 Dead
Trademark Alertz updated from USPTO on 2030-01-24