NL1708C
Expired / Lapsed
NL
⏱️ 0.0 years remaining
Improvement to a writing implement for use in writing on unlined paper
Assignee: Krengel Bernard
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Filing: 1914-12-04
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Granted: 1916-11-15
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Expires: 1934-12-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
NL
Data Source
google_patents
Last Synchronized
2026-11-04 21:01
CPC Classifications
G; G09; G09B; G09B11/00; G09B11/04
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