US Patent: 2,221,141
|
Dowel pin
|
Patentee:
|
|
Ernest T. Kindt (exact or similar names) - Lakewood, OH |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Apr. 01, 1940 |
Granted: |
Nov. 12, 1940 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin Vintage Machinery entry for Kindt-Collins Co.
|
Description: |
These tapered metal pins are for use by patternmakers to keep parts of a mold aligned. This patent is of interest because it is the earliest patent assigned to Kindt-Collins, a maker of sanding machines. |
|