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US Patent: 1,329,559
Valvular conduit
Patentee:
Nikola Tesla (exact or similar names) - New York, NY

USPTO Classifications:
137/842, 138/37

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 21, 1916
Granted: Feb. 03, 1920

Patent Pictures:
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