Logo of <a href="https://en.wikipedia.org/wiki/Advanced_Logic_Research" class="extiw" title="en:Advanced Logic Research">Advanced Logic Research</a> used from 1984 to the early 1990s
Advanced Logic Research
Own vectorization, traced from <a rel="nofollow" class="external free" href="https://tsdr.uspto.gov/img/73784151/original">https://tsdr.uspto.gov/img/73784151/original</a>