Antiques

Patent Research

Resources for Researching Patents

Costume Jewelry and Mesh Purse Patents
A useful reference for dating vintage costume jewelry from numerous designers and Whiting & Davis mesh purses.

Costume Jewelry Patents
A great reference showing costume jewelry patents paired up with actual photos of vintage pieces.

U.S. Patent & Trademark Office
Use the search feature on this site to look up all types of patents and trademarks.

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