Timeline for all types of items produced by
Digital Research, Inc.

Year	Items
1980	2
1981	2
1982	9
1983	8
1984	6
1985	5
1986	3
1987	3
1989	1
1991	2
1992	1

42 items with a valid date were considered for this timeline (64.62% of the total)
23 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 23 items.