Steinway & Sons employees Marvin S. Jones, Dirk Dickten, Gary M. Green, Paul Oleksy, Gregory R. Sims, Ludwig Tomescu, and Robert C. Berger receive the United States patent #5,511,454, to the “piano escapement action”.
Steinway & Sons employees Marvin S. Jones, Dirk Dickten, Gary M. Green, Paul Oleksy, Gregory R. Sims, Ludwig Tomescu, and Robert C. Berger receive the United States patent #5,511,454, to the “piano escapement action”.