Method of hardening brake drums of malleable-iron disk automobile wheels

Title:

Method of hardening brake drums of malleable-iron disk automobile wheels

United States Patent 1711835

Inventors:

Davis, Thomas R.

Publication Date:

05/07/1929

Export Citation:

Assignee:

Davis, Thomas R.

Primary Class:

148/616

Other Classes:

76/2, 76/24.1, 76/101.1, 76/107.1, 76/DIG.2, 148/641, 148/642, 188/218R, 266/49, 266/77, 266/124, 266/127, 266/130, 266/259, 266/261

International Classes:

C21D5/00; C21D5/00

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