US Patent: 503,012
|
Attachment for drilling-machines
|
Patentee:
|
|
John J. Stevens (exact or similar names) - Galt, ON Canada |
|
Patent Dates:
|
Applied: |
Nov. 25, 1892 |
Granted: |
Aug. 08, 1893 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin Vintage Machinery entry for MacGregor, Gourlay Co. Vintage Machinery entry for Stevens, Hamilton & Co.
|
Description: |
See also patent CA-42,774."...a certain new and Improved Attachment by which Small Drills may be Advantageously Used in a Large Drilling-Machine..." |
|