Triangle;
WM ZIMMER CASTER SET (AKA)
• AKA:
Unknown Maker (Unknown Location, Operated: Unknown), Introduced: Patented 1884 Introduced
• NOTE: Wm. Zimmer applied for the patent in November 1883 which was after he had left the Belmont Glass Works. It is unclear if he was employed at any glass factory at the time. In early 1884, he went to San Francisco to manage a factory there.
• Motifs: (Triangle)