About Us

Attorney Profiles

What Every Chemist Should Know About Patents

Patent Forms

US Patent Application Tips

Report from Washington

Plant Protection

Links to Resources

En Français

On the Lighter Side

Contact Us

 

 

On the Lighter Side
Gallery of Patented Headwear

Hat in the shape of a chicken

U.S. Design Patent 463,898

< Back

 
National Inventors Hall of Fame

“What is claimed is:
Fiber of polymer consisting essentially of at least one carbocyclic aromatic homo- or copolycarbonamide having chain extending bonds from each aromatic nucleus which are coaxial or parallel and oppositely directed ….”

U.S. Patent 3,819,587 to Stephanie Louise Kwolek, inducted 1995, for liquid crystalline polymers, commercialized as Kevlar fabric used, for example, in bullet-resistant vests.