Logo of <a href="https://en.wikipedia.org/wiki/Corvus_Systems" class="extiw" title="en:Corvus Systems">Corvus Systems</a>
Corvus Systems
Own vectorization, based on scan of <a rel="nofollow" class="external text" href="https://ia903204.us.archive.org/12/items/manualzilla-id-7421601/7421601.pdf">logo in User's Guide</a>