US Patent: 318X
|
Hydraulic Elevator
Hydraulic machine for raising water
|
|
Patentee:
|
|
| Barnabas Langdon (exact or similar names) - St Albans, Franklin County, VT |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Feb. 20, 1801 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
X-Patents
Vintage Machinery entry for Barnabas Langdon
|
|
Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. No patent drawing is available. This patent is in the database for reference only. |
|
