Patent Nr. 314805 poster
Movie Documentary

Patent Nr. 314805 (2020)

IMDb, TMDB and community ratings for Patent Nr. 314805.

2020 · 2 min · Documentary

Patent Nr. 314805 (2020) is a documentary film with a runtime of 2 minutes. Compare its IMDb, TMDB and community ratings below to see how Patent Nr. 314805 scores across every source.

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Overview

Finnish engineer Eric Tigerstedt solved the dilemma of sound-on-film already before the First World War. All images and sounds in this short film are produced from the surviving test materials originally created in 1914.

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Frequently asked questions

How long is Patent Nr. 314805?

Patent Nr. 314805 runs for 2 minutes (2m).

When was Patent Nr. 314805 released?

Patent Nr. 314805 was released in 2020.

What genre is Patent Nr. 314805?

Patent Nr. 314805 is a documentary film.