FR436569A
Expired / Lapsed
FR
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Improvements to spirometers and similar devices
Assignee: Individual
•
Filing: 1911-11-20
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Granted: 1912-03-30
•
Expires: 1931-11-20
Abstract
No abstract record available.
Inventors
- 👤 Georges-Charles Boulitte
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 01:33
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/08; A61B5/091; A61B5/093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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