US Patent: 518,823
|
Lubricator
|
Patentees:
|
Gustavus Adolphus Hankinson Sprague (exact or similar names) - Redlands, CA |
Royal Warner McIntyre (exact or similar names) - Redlands, CA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Jan. 23, 1893 |
Granted: |
Apr. 24, 1894 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|