Thursday, February 18, 2016

Day 21- Powell Johnson

Black History Month- Feb 21






Yesterday's Answer:   Tricycle




Today's Question:


Powell Johnson  he received this patent in 1880.  He invention him improved this item and "could be used by furnace men, puddlers, fireman and other exposed to glare of strong light."*
















































*http://patentyogi.com/american-inventor/this-day-in-patent-history-on-november-21880-johnson-powell-received-a-patent-for-an-eye-protector/



No comments:

Post a Comment