7 trademarks were found for owners matching the name PROTON ENGINEERING INC..
#Classstatus
1 S:87661064
M:PROTON
O:Proton Engineering, Inc.
7, 9 Registered
2 S:85592629
M:LIQUID BORON
O:Proton Engineering Inc.
4 Dead
3 S:78922429
M:PROTON ENGINEERING
O:Proton Engineering, Inc.
9 Dead
4 S:74652346
M:CYBRON
O:Proton Engineering Inc
4 Dead
5 S:74574126
M:IMPROVED P. T. F. E.
O:Proton Engineering Inc.
4 Dead
6 S:74458484
M:QUINTECH
O:Proton Engineering Inc.
4 Dead
7 S:74417129
M:HYDRO-LUBE
O:CHARLES B. WOODRUFF, PROTON ENGINEERING INC.
4 Dead
Trademark Alertz updated from USPTO on 2030-01-24