Garret A. Morgan patented a device for breathing in 1914 that would make mining safer. He received patent number 1,113,675. Children can view the patent at: Breathing Device.
Oct 132025
May 202026
Levi Strauss and Jacob Davis received a patent in 1873 for denim jeans with copper rivets. Strauss and Davis made heavy-duty pants for hard-working miners in California and Nevada. They received Patent #139121. Children can watch an interesting video about how jeans are made at: Jeans.