| Name | Year Established | Claim Status | ||
|---|---|---|---|---|
 |
Sopnnagel | Unclaimed | ||
|
|
Hermann | Unclaimed | ||
|
|
Ellington | Unclaimed | ||
|
|
Altenburg, Frederick | Unclaimed | ||
|
|
Proskowec | Unclaimed | ||
|
|
Katzmarek & Co. | Unclaimed | ||
|
|
Estonia | Unclaimed | ||
|
|
Bieger | Unclaimed | ||
|
|
Thürmer, Ferd. | Unclaimed | ||
|
|
Morrison & Harrison | Unclaimed | ||
|
|
Cunningham Piano Company | Unclaimed | ||
|
|
Schmitz | Unclaimed | ||
|
|
Hagspiel | Unclaimed | ||
|
|
Hinze | Unclaimed | ||
|
|
Windover (London) | Unclaimed | ||
|
|
Astor | Unclaimed | ||
|
|
Lowrey | Unclaimed | ||
|
|
Burgmuller | Unclaimed | ||
|
|
Rijken | Unclaimed | ||
|
|
Koch & Co. | Unclaimed | ||
|
|
Forenede | Unclaimed | ||
|
|
Brambach | Unclaimed | ||
|
|
Vogel & Sohn | Unclaimed | ||
|
|
Otto Bach | Unclaimed | ||
|
|
Döhnert | Unclaimed | ||
|
|
Shigeru | Unclaimed | ||
|
|
Hauch, J.B. | Unclaimed | ||
|
|
Hyundai | Unclaimed | ||
|
|
Beale | Unclaimed | ||
|
|
Stöcker, Theodor | Unclaimed | ||
|
|
Mathuschek, F. | Unclaimed | ||
|
|
Chickering and Sons | Unclaimed | ||
|
|
Sabel | Unclaimed | ||
|
|
Lancaster | Unclaimed | ||
|
|
Glos & Pflug,Wien | Unclaimed | ||
|
|
Weinstein and Sons | Unclaimed | ||
|
|
Piano Disc | Unclaimed | ||
|
|
Schaaf & Co. | Unclaimed | ||
|
|
Leijser | Unclaimed | ||
|
|
Graf, Hermann | Unclaimed | ||
|
|
Pramberger | Unclaimed | ||
|
|
Westbrook | Unclaimed | ||
|
|
Anderson Co. | Unclaimed | ||
|
|
Brinkerhoff | Unclaimed | ||
|
|
Ramsberger | Unclaimed | ||
|
|
Kingsburg | Unclaimed | ||
|
|
Fabbrini | Unclaimed | ||
|
|
Blüthner | Unclaimed | ||
|
|
Uebel & Lechleiter | Unclaimed | ||
|
|
Nehammer | Unclaimed | ||
|
|
Dalibor | Unclaimed | ||
|
|
Schulze & Pollmann | Unclaimed | ||
|
|
Hamburger | Unclaimed | ||
|
|
Hofmann | Unclaimed | ||
|
|
Bacon, Francis | Unclaimed | ||
|
|
Stein | Unclaimed | ||
|
|
Mage | Unclaimed | ||
|
|
Calisia | Unclaimed | ||
|
|
Roland | Unclaimed | ||
|
|
Witton and Witton | Unclaimed | ||
|
|
Krell & French | Unclaimed | ||
|
|
Fuchs | Unclaimed | ||
|
|
Waddington | Unclaimed | ||
|
|
Papps | Unclaimed | ||
|
|
Driggs & Tooker | Unclaimed | ||
|
|
Acrosonic | Unclaimed | ||
|
|
Skop | Unclaimed | ||
|
|
Hegeler | Unclaimed | ||
|
|
Jasper | Unclaimed | ||
|
|
Bell Piano & Organ Co. | Unclaimed | ||
|
|
Stuart and Sons | Unclaimed | ||
|
|
Mecklenburg | Unclaimed | ||
|
|
Classenti | Unclaimed | ||
|
|
Herrburger | Unclaimed | ||
|
|
Kadenza | Unclaimed | ||
|
|
Berger | Unclaimed | ||
|
|
Temple | Unclaimed | ||
|
|
Meyer, Conrad | Unclaimed | ||
|
|
Consolat de Mar | Unclaimed | ||
|
|
Schiller | Unclaimed | ||
|
|
Lieshout & Zonen, M. van | Unclaimed | ||
|
|
Gunther & Sohne | Unclaimed | ||
|
|
Wilkinson, George | Unclaimed | ||
|
|
Arirang | Unclaimed | ||
|
|
Linke | Unclaimed | ||
|
|
Browning | Unclaimed | ||
|
|
Reisbach | Unclaimed | ||
|
|
Knabe Bros. | Unclaimed | ||
|
|
Fenner | Unclaimed | ||
|
|
Börs, Otto | Unclaimed | ||
|
|
Van Veen J. | Unclaimed | ||
|
|
Nieër | Unclaimed | ||
|
|
Delmar | Unclaimed | ||
|
|
Seidel & Sohn | Unclaimed | ||
|
|
Harold, F.C., London | Unclaimed | ||
|
|
Howard | Unclaimed | ||
|
|
Barrat & Robinson | Unclaimed | ||
|
|
Steinmayer | Unclaimed | ||
|
|
Manthey | Unclaimed |