Money

About.com

Share

William Queen - Guard for companion ways or hatches

William Queen - Guard for companion ways or hatches

William Queen - Guard for companion ways or hatches

USPTO

William Queen - Guard for companion ways or hatches

7 of 12

Gallery Index: Black History Month - African American Patent Holders - O, P, Q, R

African American Patent Holders - Black Inventors

African American Patent Holders Photo Galleries A to Z

Black History - Trivia & Books

Books on Black History - Compare Prices Black History Trivia Quiz Colors of Innovation - Black History

Suggested Reading

What is a Patent?What Does the Term "Invented an Improvement" Mean? What is a Patent Drawing?

Related Articles

Mary Bellis

Mary Bellis
Inventors Guide

Sign up for My Newsletter

See More About

Top Related Searches hatches companion queen

About.com

©2013 About.com. All rights reserved.