Timeline for all types of items produced by
SMS Mfg. Corp. [Pleasant Beach, NJ, USA]

Year	Items
1980	1
1983	5
1984	3
1985	3
1986	1
1987	3
1988	1
1990	1

18 items with a valid date were considered for this timeline (62.07% of the total)
11 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 8 items.
199?: 2 items.
19??: 1 item.