Foster Metal Products Inc was an American manufacturer of men’s jewellery, such as tie clasps and cufflinks. Further details are still being researched. They were registering patents in US & Canada from 1954 to 1966, and were known to still be trading in the late 1970s. Beyond that, I’m not sure.
1958 – Foster Metal Products Incorporated – patent 2723429 1954/5, litigation 1958 (separate issue, not to do with the patent).
From 1949 to 1961 – William C Boots, assignor to Foster Metal Products Incorporated – patents 1949 to 1961.
From 1962 to 1966 – Elmer H Bennett, assignor to Foster Metal Products Incorporated – patent 1962 to 1966.
1970 – Small Business Info – loan approved 1970.
2004 – Anita M Dumont (obit2004) refers to the former Foster Metal Products in Attleboro.
2009 – Ray Plainville (obit2009) retired from Foster Metal Products in Attleboro in 1977.
SIDEWALK SUPERINTENDENT *JEWELRY TRADEMARK USED BY FOSTER METAL PRODUCTS, INC., ATTLEBORO, MA. SINCE 1956 FOR MEN’S JEWELRY ITEMS.