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Trademark
Owner
7
trademarks were found for
owners
matching the name
Keystone Helicopter Corporation
.
#
Class
status
1
S:
78688589
M:
THE KEYSTONE SILENCER
O:
Keystone Helicopter Corporation
12
Dead
2
S:
75121583
M:
KEYSTONE MEDALLION
O:
Keystone Helicopter Corporation
12
,
37
Dead
3
S:
75121584
M:
KEY STONE MEDALLION
O:
ARGOSY INVESTMENT PARTNERS II, L.P.
,
Keystone Helicopter Corporation
12
,
37
Dead
4
S:
74199289
M:
KEYSTONE ENGINE SERVICES
O:
ARGOSY INVESTMENT PARTNERS II, L.P.
,
Keystone Helicopter Corporation
37
Dead
5
S:
74199291
M:
KEYSTONE HELICOPTER SERVICES
O:
ARGOSY INVESTMENT PARTNERS II, L.P.
,
Keystone Helicopter Corporation
37
Dead
6
S:
74199295
M:
KEYSTONE FLIGHT SERVICES
O:
ARGOSY INVESTMENT PARTNERS II, L.P.
,
Keystone Helicopter Corporation
39
Dead
7
S:
73456999
M:
KEYSTONE HELICOPTER SERVICES
O:
KEYSTONE HELICOPTER CORPORATION
37
,
39
Dead
Trademark Alertz updated from USPTO on 2030-01-24