US Patent: 660,760
|
| Tapping-machine
|
|
Patentee:
|
|
| Oscar Mueller (exact or similar names) - Decatur, IL |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Aug. 30, 1900 |
| Granted: |
Oct. 30, 1900 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
|
Description: |
| "This invention relates to machines for drilling, tapping and inserting corporation-cocks in pipes in which water is under pressure..." |
|