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US Patent: 2,265,055
Fountain pen for pulpy ink
Patentee:
Laszlo Jozsef Biro (exact or similar names) - Budapest, Hungary

USPTO Classifications:
401/175, 401/180, 401/209

Tool Categories:

Assignees:
Luis Lang - Buenos Aires, Argentina

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 27, 1938
Granted: Dec. 02, 1941

Patent Pictures:
USPTO (New site tip)
Google Patents
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Description:
Despite the somewhat misleading title, this is the patent for the ball-point pen. Patent 2,258,841 was issued earlier but actually applied for over two years later than this one.

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