Heddon Collection : The Dowagiac Area History Museum's Heddon Collection
Collection:
Heddon's
Description:
Carbon copy of letter to Frank Graham, Los Angeles, from James Heddon's Sons granting license for three patents
Dimensions:
H—11 W—8.5 inches
Date:
1931
Object ID:
1986—0018.0007b
Object Name:
correspondence
People:
Graham, Frank L.A.
Search Terms:
Heddon
Patents
Frank Graham
Year Range from:
1931
Click to Enlarge
Heddon/Barnhart Addendum 1931Heddon/Barnhart Addendum 1931