Group of 3 rectangular buttons Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1929 (circa)
2-way baby alarm Designer (Person) Unknown Manufacturer Tri-ang Tri-onic Manufactured for Pedigree Dolls & Toys Date 1960 - 1969 (circa)
Insulin delivery pen Designer (Person) Unknown Manufacturer Unknown Manufactured for Sanofi Date 2010 (circa)