Description
Class G10B : ORGANS; HARMONIUMS
Subclass 3/06: Details or accessories Valves; Sleeves
Class G10B : ORGANS; HARMONIUMS
Subclass 3/06: Details or accessories Valves; Sleeves
Patent # | Title | Filing Date | Issue Date | Patent Owner |
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11024268 | Pipe organ tremulant | Sep 10, 19 | Jun 01, 21 | Not available |
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