The safety pin was invented by an american mechanic, Walter Hunt in 1849
U.S. Patent #6,281
Showing posts with label Patent. Show all posts
Showing posts with label Patent. Show all posts
Sunday, September 2, 2012
Hand#121 U.S. Patent #6,281
Spring + Clasp = Safety Pin
The safety pin was invented by an american mechanic, Walter Hunt in 1849
U.S. Patent #6,281
The safety pin was invented by an american mechanic, Walter Hunt in 1849
U.S. Patent #6,281
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