FR859533A
Expired / Lapsed
FR
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Metal sponge refinements
Assignee: Lewis Growford Abraham
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Filing: 1939-08-26
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Granted: 1940-12-20
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Expires: 1959-08-26
Abstract
No abstract record available.
Inventors
- 👤 Lewis Growford Abraham
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 18:17
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/06; A47L13/07
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