FR834985A
Expired / Lapsed
FR
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Improvements to compositions to dampen sounds
Assignee: J W MORTELL Co
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Filing: 1938-03-08
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Granted: 1938-12-08
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Expires: 1958-03-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 15:31
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C04B26/00; C04B26/02; C04B26/26; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; G; G10; G10K; G10K11/00; G10K11/16; G10K11/162; G10K11/165; E04B2001/742
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