|
WINGS OVER THE HIMALAYAS
|
|
United States Patent and Trademark Office
|
39
|
1992-09-01
|
1999-03-08
|
historic |
details
|
|
WINGS OVER THE KALAHARI
|
|
United States Patent and Trademark Office
|
39
|
1992-09-01
|
1999-03-08
|
historic |
details
|
|
INTRAV ENCOUNTERS
|
|
United States Patent and Trademark Office
|
39
|
1992-06-09
|
1998-12-14
|
historic |
details
|
|
WINGS OVER KENYA
|
|
United States Patent and Trademark Office
|
39
|
1990-08-14
|
1997-02-17
|
historic |
details
|
|
JOURNEY OF THE CZARS
|
|
United States Patent and Trademark Office
|
39
|
1990-07-24
|
1997-01-27
|
historic |
details
|
|
DANUBE RIVER ADVENTURE
|
|
United States Patent and Trademark Office
|
39
|
1990-07-24
|
1997-01-27
|
historic |
details
|
|
CATHERINE THE GREAT'S RUSSIA
|
|
United States Patent and Trademark Office
|
39
|
1990-07-17
|
1997-01-20
|
historic |
details
|
|
TI
|
|
United States Patent and Trademark Office
|
39
|
1987-11-10
|
2008-08-16
|
historic |
details
|
