Graphic Films Corporation

Background
Graphic Films was a production company founded in 1941 by Lester Novros, a former Walt Disney animator. Though they have produced many films, their logo has only been seen once.

(1986)
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Logo: Same as the first IMAX logo, but with a different logomark at the end.

Technique: Same as the IMAX logo.

Music/Sounds: Same as the IMAX logo, but the sounds are a bit deeper and more emphasized. The "Deep Note"-esque noise at the end is also slightly different.

Availability: Only seen on The Eruption of Mount St. Helens!.

Legacy: Same as the IMAX logo of the time.