Here are some great examples that can be traced back to Cold war:
1Space rockets
In space exploration the development of space rockets enabled the man landing in the Moon and a great amount of scientific exploration of the space remains a legacy.
2 Mil Helicopter MI-24 HIND
a Helicopter that has an enormous popularity and still is used in many nations for multi purpouses:
3 the Ak 47
As well as the helicopter, this low cost assault riffle is popular among Middle East, Asia and Latin America since it is a relatively good model and one of the cheapest to produce.
4 Cell phone s
in 1983 the use of mobile cell phones was meant for commercial purpouses and this enabled a better communication between distances and people in far distances
5 Lasers
A wide array of lasers now are used in medical sectors and productive process, in many industries the use of lasers has a positive impact
6 The Arpanet (predecesor of current Internet)
As a element for a ever present nuclear threat, a descentralized system of computers and servers that would allow to act in case of a nuclear disaster
7 Video game
In the beggining of the 70's video game industry started and now a days encompases a wide array of audiences, Back then it started as a experimental branch
8 Computers
Altough one could trace them back to the Second World War, in this period many investment was carried in order to obtain large and complex calculating machines that paved the way to our digital world.