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Yes, Vincent J. Vincent's patent would have expired in 1993+17=2010<br>
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<a class="moz-txt-link-freetext" href="http://portal.acm.org/citation.cfm?id=190764">http://portal.acm.org/citation.cfm?id=190764</a><br>
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<h1 class="mediumb-text" style="margin-top: 0px; margin-bottom:
0px;"><strong>The Mandala virtual reality system: the vivid
group</strong></h1>
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<td valign="top" nowrap="nowrap"> Author: </td>
<td valign="top" nowrap="nowrap"> <a
href="http://portal.acm.org/author_page.cfm?id=81100122153&coll=DL&dl=ACM&trk=0&cfid=7455632&cftoken=40049886"
title="Author Profile Page" target="_self">Vincent
John Vincent</a> </td>
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<td style="padding-top: 10px;"
nowrap="nowrap">Published in:</td>
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nowrap="nowrap">· Proceeding</td>
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<td style="padding-left: 10px;"> Proceedings
of the 3rd annual virtual reality
conference and exhibition on VR becomes a
business </td>
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<td style="padding-left: 10px;
padding-bottom: 10px;"> <span
class="small-link-text">Meckler
Corporation</span> <span
class="small-link-text">Westport, CT</span><span
class="small-link-text">, USA</span> <span
class="small-link-text"> ©<b>1993</b></span>
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<a
href="http://portal.acm.org/citation.cfm?id=190625&picked=prox&cfid=7455632&cftoken=40049886"
target="_self" class="small-link-text">table of contents</a>
ISBN:0-88736-854-9 </td>
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<a class="moz-txt-link-freetext" href="http://www.vjvincent.com">http://www.vjvincent.com</a><br>
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Try this: <a class="moz-txt-link-freetext" href="http://en.inforapid.org">http://en.inforapid.org</a> Search for [Mandala]<br>
It is self-referential - The Mandala of Mandala - a Meta-Mandala?<br>
Next for OddMusic: The Meta-Mandala Mandolin<br>
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