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Facts about "Patent-US-1511225.pdf"
Application dateMay 17, 1922 +
Application number561613 +
Assigned toL. E. Waterman Company +
Invented byGabriel Larsen +
Patent dateOctober 14, 1924 +
Patent descriptionMatita meccanica +
Patent number1511225 +
Patent titlePencil +
Patented byWaterman +
Patented inUS +
Priority dateMay 17, 1922 +