Trivial inventions too matter?A snapshot Once a doohickey, do they still remain a knick-knack appurtenance?
June 15, 2026
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Trivial inventions too matter?A snapshot Once a doohickey, do they still remain a knick-knack appurtenance?

Archive ManagerArchive Manager
Jul 6, 2008, 12:00 am IST
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Date: 1945
Invention: Microwave oven
Inventor: Percy LeBaron Spencer

Date: 1945
Invention: Tupperware
(food containers)
Inventor: Percy LeBaron Spencer

Date: 1947
Invention: Polaroid camera
Inventor: Edwin H. Land

Date: 1947
Invention: Long-playing record
(LP, mocrogroove 33-1/3 rpm vinyl phnograph disc)
Inventor: Peter Carl Goldmark

Date: 1950
Invention: Credit card Frank
Inventor: X. Namara

Compiled by Ratnadeep Banerji
(To be continued)

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