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FR517039A
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FR
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Hot knurling gear tooth construction process
Assignee: WILLIAM-FLOCKHART DRYSDALE
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Filing: 1920-06-11
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Granted: 1921-04-29
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Expires: 1940-06-11
Abstract
No abstract record available.
Inventors
- 👤 William-Flockhart Drysdale
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 04:06
CPC Classifications
B; B21; B21H; B21H5/00; B21H5/02
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Total Claims: 0
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References Cited (Backward Citations)
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