US Patent: 280,713
|
| Leveling Instrument
|
|
Patentee:
|
|
| Ernst A. Bostrom (exact or similar names) - Newnan, GA |
|
|
Patent Dates:
|
| Applied: |
Mar. 13, 1883 |
| Granted: |
Jul. 03, 1883 |
|
Patent Pictures:
[
1 | 2
]
|
|
|
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Russ Allen
|
|
Description: |
| One of these appeared on Patrick Leach's monthly tool list. This patent was improved on by patent #314,511 |
|