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It was founded by [[William Polhemus]].
 
It was founded by [[William Polhemus]].
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==Patents==
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* [[U.S. 3,868,565]]
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* [[US3983474A]] - 1975 - [[Jack Kuipers]]
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* [[US4017858A]]
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* [[US20050285591A1]]
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* [[US20060038555A1]]
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* [[US20080120061A1]]
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* [[US7710395B2]]
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* [[US7873491B2]] - based on US20080120061A1
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* [[JP2006323854A]]
      
==Products==
 
==Products==
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Polhemus's corporate name is Alken, Inc.<ref name="x953">{{cite web | title=Corporations Division | website=Corporations Division | url=https://bizfilings.vermont.gov/online/BusinessInquire/TradeNameInformation?businessID=251741 | access-date=2024-05-25}}</ref><ref name="q030">{{cite web | title=Patriot User Manual November 2004 | url=http://www.math.uaa.alaska.edu/~moose/mhs/trunk/PolhemusActiveXControl/polhemus/Patriot/PATRIOT%20Manual.pdf | access-date=2024-05-25}}</ref> Alken, Inc. was incorporated in Vermont in 2002.<ref name="v141">{{cite web | title=Corporations Division | website=Corporations Division | url=https://bizfilings.vermont.gov/online/BusinessInquire/BusinessInformation?businessID=123354 | access-date=2024-05-25}}</ref>
 
Polhemus's corporate name is Alken, Inc.<ref name="x953">{{cite web | title=Corporations Division | website=Corporations Division | url=https://bizfilings.vermont.gov/online/BusinessInquire/TradeNameInformation?businessID=251741 | access-date=2024-05-25}}</ref><ref name="q030">{{cite web | title=Patriot User Manual November 2004 | url=http://www.math.uaa.alaska.edu/~moose/mhs/trunk/PolhemusActiveXControl/polhemus/Patriot/PATRIOT%20Manual.pdf | access-date=2024-05-25}}</ref> Alken, Inc. was incorporated in Vermont in 2002.<ref name="v141">{{cite web | title=Corporations Division | website=Corporations Division | url=https://bizfilings.vermont.gov/online/BusinessInquire/BusinessInformation?businessID=123354 | access-date=2024-05-25}}</ref>
 +
 +
==Patents==
 +
* [[U.S. 3,868,565]]
 +
* [[US3983474A]] - 1975 - [[Jack Kuipers]]
 +
* [[US4017858A]]
 +
 +
* [[US20050285591A1]]
 +
* [[US20060038555A1]]
 +
* [[US20080120061A1]]
 +
 +
* [[US7710395B2]]
 +
* [[US7873491B2]] - based on US20080120061A1
 +
 +
* [[JP2006323854A]]
    
==References==
 
==References==

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