4. Ships
  5. Ballasting

Daniel W. French

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Alignment lifting fixture

Handling: hand and hoist-line implements – Hoistable receptacle
Patent

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Antenna extension system

Communications: radio wave antennas – Antennas – Waterborne
Reexamination Certificate

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Ballast system for underwater vehicle

Ships – Submersible device – Having attitude control
Patent

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Bottom activated retractable control surface for an unmanned...

Ships – Submersible device – Having attitude control
Reexamination Certificate

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Fluid pressure measuring device interface

Measuring and testing – Fluid pressure gauge – Mounting and connection
Patent

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Profile ID: LFUS-PAI-P-377707

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