Timeline for all types of items produced by
Du Grenier, Inc., Arthur H. [Haverhill, MA, USA]

Year	Items
1928	2
1934	1
1941	1
1955	1
1957	2

7 items with a valid date were considered for this timeline (28.00% of the total)
18 items with an invalid date.

Help us in our quest to find exact dates for:

193?: 9 items.
194?: 4 items.
195?: 5 items.