David Walker — 7 Patents at IBM

David Walker has been granted 7 US patents while listed as an inventor at IBM. The first was granted in 2000 and the most recent in June 2006. David Walker ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David Walker in Enosburg Falls, VT, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7067220	Pattern compensation techniques for charged particle lithographic masks	Michael Lercel	2006-06-27	$5,894,000
6468135	Method and apparatus for multiphase chemical mechanical polishing	Jose Luis Cruz, Cuc K. Huynh	2002-10-22	$16,060,000
6352596	Post CMP cleaning method using a brush cleaner with torque monitor	Gary J. Beardsley, Timothy Scott Bullard, Cuc K. Huynh, Theodore G. van Kessel	2002-03-05	$26,874,000
6299515	CMP apparatus with built-in slurry distribution and removal	Gary J. Beardsley, Cuc K. Huynh, Steven J. Messier	2001-10-09	$29,916,000
6269510	Post CMP clean brush with torque monitor	Gary J. Beardsley, Timothy Scott Bullard, Cuc K. Huynh, Theodore G. van Kessel	2001-08-07	$22,988,000
6179693	In-situ/self-propelled polishing pad conditioner and cleaner	Gary J. Beardsley, Cuc K. Huynh	2001-01-30	$13,187,000
6135865	CMP apparatus with built-in slurry distribution and removal	Gary J. Beardsley, Cuc K. Huynh, Steven J. Messier	2000-10-24	$26,546,000

David Walker — 7 Patents

Issued Patents All Time

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