Table 4-17. Major U.S. innovations in 

 selected industries, 1953-73 



Number of 



Industry innovations 



Electrical equipment and communication . 53 



Chemicals and allied products 45 



Machinery 44 



Professional and scientific instruments ... 29 



Stone, clay, and glass products 18 



Motor vehicles and other transportation 



equipment 18 



Primary metals 17 



Rubber products 15 



Aircraft and missiles 11 



Fabricated metal products 10 



Petroleum refining and extraction 5 



Textiles and apparel 4 



Paper and allied products 4 



Food and kindred products 2 



Lumber, w/ood products, and furniture ... 2 



SOURCE: Gellman Research Associates. Inc . Indicators ol International 

 Trends in Technological Innovation. 1975 (A study commissioned specifically 

 for this report)- 



224 



