W. A. Martin, African American inventor, patented the lock (July 21, 1889). This was an improvemen…

$ 29.99

4.9 (485) In stock

National Museum of American History

Black History Month Presentation - ppt download

Patent Models

Rosetta Writer

Famous Patents Drafted by GW Alumni, GW Law

Patent Models

Iver Johnson, Martin Bye and the “Champion” Air Pistol (1876 to c

Rosetta Writer

Black History Month Presentation - ppt download

Related products

3 Ways to Open a Combination Lock - wikiHow

Types of Door Locks

The Truth About Combination Locks - Are Combination Locks Secure

Lock, Types, Mechanisms & Benefits

How Secure Are Your Front Door Locks? Security Tips

Master Lock 6-1/4-in Zinc Double Hinge Hasps in the Hasps department at

You may also like

Solid color Modal leggings Women Workout Plus size capri Legging

Rocket Holographic Longline Bra Top

Gymshark Geo Seamless T-Shirt - Black/Charcoal Grey

Dumbbell Exercises for Abs: 16 to Try

Braga faja clásica lycra. Reductora muy fuerte y cómoda.

Run Compression Tights - Men's