Patents in subclass Electric Heating/Anvil Electrode
Parent class: Electric Heating
| Number | Patent title | Issue Date |
|---|---|---|
| 06684479 | Method and apparatus for clinching metal sheets A method and apparatus for clinching metal sheets is disclosed. The apparatus includes a punch assembly for stamping indentations into stacked metal sheets and a die assembly for assisting in supporting the sheets during stamping of the... |
02/03/2004 |
