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NAUTICAL DEVELOPMENT, INC.
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Spokane, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Automatic variable discrete pitch marine propeller
Patent number
5,368,442
Issue date
Nov 29, 1994
Nautical Development, Inc.
Stephen R. Speer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Damped automatic variable pitch marine propeller
Patent number
5,240,374
Issue date
Aug 31, 1993
Nautical Development, Inc.
Stephen R. Speer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Automatic variable discrete pitch marine propeller
Patent number
5,129,785
Issue date
Jul 14, 1992
Nautical Development, Inc.
Stephen R. Speer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Automatic variable pitch marine propeller
Patent number
5,032,057
Issue date
Jul 16, 1991
Nautical Development, Inc.
Stephen R. Speer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Self-actuating variable pitch marine propeller
Patent number
4,929,153
Issue date
May 29, 1990
Nautical Development, Inc.
Stephen R. Speer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74257600 - SMARTPROP
Serial number
74257600
Filing date
Mar 20, 1992
NAUTICAL DEVELOPMENT CORPORATION
12 - Vehicles
Information
Trademark
74257275 - POWERPITCH
Serial number
74257275
Registration number
1909261
Filing date
Mar 20, 1992
NAUTICAL DEVELOPMENT CORPORATION
12 - Vehicles
Information
Trademark
74248126 - SWITCHBLADE
Serial number
74248126
Registration number
1890482
Filing date
Feb 21, 1992
NAUTICAL DEVELOPMENT CORPORATION
12 - Vehicles
Information
Trademark
74195232 - HYDROSTAR
Serial number
74195232
Filing date
Aug 16, 1991
NAUTICAL DEVELOPMENT, INC.
7 - Machines and machine tools