Arent Fox Kintner Ploitkin & Kahn, PLLC - US Patent Attorneys and Agents

U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

Number of patents: 1
Last date: March 19, 2002

Number	Title	Issue Date
6358117	Processing method for a wafer A surface grinding method is provided by which grinding striations are produced so that the striations can fully be removed by a polish-off amount less than required in a conventional way in mirror polishing following surface grinding using an infeed type...	03/19/2002