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Grant of U.S. Patent 372,786

When: 1887-11-08
Where: United States
Part of: Emile Berliner granted U.S. patent for the Gramophone

Emile Berliner was granted U.S. Patent 372,786 for the Gramophone on November 8, 1887, covering horizontal recording technology.

The patent was originally filed in May 1887 and refiled in September 1887 before being issued in November. This grant established Berliner's rights to the flat-disc recording method, which differed from the cylinder-based phonographs common in the 1890s.

Sources

Berliner Gramophone Wikipedia, revision of 2026-10-03
Emile Berliner Wikipedia, revision of 2026-09-10

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.