FR874496A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Sponge enhancements
Assignee: Paul-Max Guggenheim
•
Filing: 1941-08-05
•
Granted: 1942-08-07
•
Expires: 1961-08-05
Abstract
No abstract record available.
Inventors
- 👤 Paul-Max Guggenheim
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 12:40
CPC Classifications
A; A47; A47K; A47K7/00; A47K7/02
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References Cited (Backward Citations)
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