Patented April 1, 1879

If an object in your hands says PAT. APRIL 1, 1879, it may be one of these.

Patent	Title	Inventor	Of
US 213,798	IMPROVEMENT IN PADLOCKS	William P. Wirth and Theodor H. Wichert	Lancaster, PA
US 213,918	IMPROVEMENT IN PADLOCKS	William C. McGill	Washington, District of Columbia

All dates