David L. Johnson — 2 Patents at Microsoft

David L. Johnson has been granted 2 US patents while listed as an inventor at Microsoft. The first was granted in 2001 and the most recent in July 2010. David L. Johnson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David L. Johnson in Seattle, WA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7761881	Event bookmarks	Raymond W. McCollum	2010-07-20	$20,395,000
6253194	System and method for performing database queries using a stack machine	David R. Parlin, R. Scott Wigton, Warren G. Stevens	2001-06-26	$336,606,000

David L. Johnson — 2 Patents

Issued Patents All Time

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