US Patent: 9,109
|
Railroad-car brake
|
Patentees:
|
Asahel G. Batchelder (exact or similar names) - Lowell, MA |
Lafayette F. Thompson (exact or similar names) - Charlestown, MA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Granted: |
Jul. 06, 1852 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
Description: |
Co-inventor Batchelder also made spokeshaves; see also patents 8,953 and 9,705. |
|