This Day in Patent History – On November 7, 1891, Whitcomb L. Judson filed a patent for modern zipper.
Patent Information
Publication number: US504038 A
Patent Title: Clasp locker or unlocker for shoes
Publication type: Grant
Publication date: 29 Aug 1893
Filing date: 7 Nov 1891
Priority date: 7 Nov 1891
Inventors: Whitcomb L. Judson
Original Assignee: Whitcomb L. Judson
