Strauss agreed , and on May 20 .
Realising the potential value in his reinforced jeans concept , in 1872 , he approached Levi Strauss , who was still his supplier of fabric , and asked for his financial backing in the filing of a patent application .
Levi Strauss agreed , and on May 20 .
Realising the potential value in his reinforced jeans concept , in 1872 , he approached Levi Strauss , who was still his supplier of fabric , and asked for his financial backing in the filing of a patent application .