Science: Patent No. 2,000,000

The U. S. Patent Office issued Patent No. 2,000,000 last week, but it was the 2,009,957th US. patent issued since Thomas Jefferson granted the very first one to a man whose name and invention record a fire erased from history. The Patent Office was not set up formally until 1836, when the present series began.

Recipient of last week's milestone was Joseph V. Ledwinka, 64, Vienna-born chief engineer of Edward G. Budd Manufacturing Co. (Philadelphia), makers of automobile and railroad equipment (see p. 49). The company sent him to Washington to...

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