Push-Button Mortise Door Lock Patent Print
Patent No. US1489675 · 1924
Invented by Walter Schlage
Vintage 1924 patent drawing of the push-button mortise door lock by Walter Schlage. Museum-quality archival giclée print.
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About This Print
Vintage 1924 patent drawing of the push-button mortise door lock by Walter Schlage. Museum-quality archival giclée print.
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