US Patent: 1,947,862
|
| Special High Speed Drive for the Spindle of Boring Machine and Other Machine Tools
|
|
Patentees:
|
| Henry M. Lucas (exact or similar names) - Cleveland Heights, Cuyahoga County, OH |
| Hallis N. Stephan (exact or similar names) - Cleveland, Cuyahoga County, OH |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jan. 09, 1932 |
| Granted: |
Feb. 20, 1934 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens "Vintage Machinery" entry for Lucas Machine Tool Co.
|