Timeline for all types of items produced by
Chicago Dynamic Industries, Inc.

Year	Items
1959	1
1960	3
1961	4
1962	1
1963	4
1964	2
1965	3
1966	2
1967	1
1968	4
1969	5
1970	2
1971	2
1972	3
1973	4
1974	2

43 items with a valid date were considered for this timeline (82.69% of the total)
9 items with an invalid date.

Help us in our quest to find exact dates for:

19??: 9 items.