US 3,983,474

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US3983474A is a patent by Polhemus. Its title is "Tracking and determining orientation of object using coordinate transformation means, system and process".[1]

The inventor is Jack Kuipers.

References[edit]

  1. ↑ "Tracking and determining orientation of object using coordinate transformation means, system and process". 1975-02-21. https://patents.google.com/patent/US3983474A/.
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