c. 1822
Spencer Richards works with Richard Robinson & Co., the glass button manufacturer founded by Enoch Robinson’s cousins Richard and Willard Robinson.
Spencer Richards
Timeline
1800
1822
Spencer Richards is awarded a patent for a process for finishing glass buttons.
1825
c. 1825
Enoch Robinson begins manufacturing door knobs and other hardware, independently and with Spencer Richards and others, in Cambridge, Massachusetts.
c. 1830
Enoch Robinson and Spencer Richards collaborate on the mold for a whale-oil lamp manufactured by the New England Glass Co.
The New England Glass Co., Manufacturer
1831
US Patent No. 6817: Improvement in Making Glass Knobs