Calendar
March 13, 1887
Ear Muffs Patented by Chester Greenwood

Patent 188292 was issued by the U.S. Patent Office to Chester Greenwood on March 13, 1877. Click here for information about this important advance in comfort.

March 13, 1887
Ear Muffs Patented by Chester Greenwood

Patent 188292 was issued by the U.S. Patent Office to Chester Greenwood on March 13, 1877. Click here for information about this important advance in comfort.
