Membership
Tour
Register
Log in
F. Cecil Grace
Follow
Person
New York, NY, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Device to permit reproducing or player pianos to serve as musical c...
Patent number
4,444,514
Issue date
Apr 24, 1984
LYF Electronics Inc.
F. Cecil Grace
G04 - HOROLOGY