English: An early version of the logo used by Processor Technology Corporation of Emeryville, California from 1975 to 1979. It was never registered with the United States Patent and Trademark Office. Processor Technology ceased operations in May 1979.
Date
Source
Scanned and cropped from page 49 of the March 1976 Byte magazine by Michael Holley Swtpc6800
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
== {{int:filedesc}} == {{Information |Description={{en|1=An early version of the logo used by Processor Technology Corporation of Emeryville, California from 1975 to 1979. It was never registered with the United States Patent and Trademark Office. Process
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