US Patent: D20,017
|
Design for a Hammer
|
Patentee:
|
|
Duncan L. Melvin (exact or similar names) - North Brookfield, MA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Jun. 18, 1890 |
Granted: |
Jul. 15, 1890 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Russ Allen.
|
Description: |
Parallelopipedon shaped hammer for bricklayers. Patent term is 14 years. |
|