| Source: Business letterheads Location: Archives | |
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| Last Name: | Kupferle |
| First Name: | John |
| Middle Name: | C. |
| Building Illus: | No |
| Type of Business: | manufacturer of hardware, plumbers & water works specialties |
| Date: | circa 1902 |
| Remarks: | includes envelope |
| Collection: | A0214 |
| Volume: | 1 |
| Page: | 65 |
| Items: | 2 |
