Early American Pattern Glass (EAPG), also known as pressed glass, was produced from roughly 1850 to 1910. Cheaper to manufacture than blown glass, this glassware was made in cast-iron molds and marketed as an economic alternative to hand-cut crystal. Manufacturers made a wide range of patterns in order to compete with each other, usually patenting their work. Despite these steps, competitors routinely copied patterns by making minor changes...Continue Reading