DE917835C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Protective device for workers who are in a dusty atmosphere
Assignee: Lonne Geb Koppers Marianne
•
Filing: 1951-03-06
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Granted: 1954-09-13
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Expires: 1971-03-06
Abstract
No abstract record available.
Inventors
- 👤 Med Dr Phil Friedrich Loenn Dr
- 👤 Marianne Loenne Geb Koppers
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 21:59
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE142817C
Cited
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