Patent US2110132A successfully refreshed from Google Patents.
Patent DE528209C successfully refreshed from Google Patents.
DE528209C
Expired / Lapsed
DE
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Process for the production of halftones on screen printing stencils
Assignee: Individual
•
Filing: 1930-01-09
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Granted: 1931-06-26
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Expires: 1950-01-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 22:06
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/12
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