The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 19, 2010
Filed:
Feb. 28, 2005
Applicants:
David R Buerer, Bellevue, WA (US);
Duncan M Lawler, Bothell, WA (US);
Inventors:
David R Buerer, Bellevue, WA (US);
Duncan M Lawler, Bothell, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/00 (2006.01); G06F 17/30 (2006.01); G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an electronic document such as a map, an entity lookup system associates primitive data with entity data though parallel or corresponding grids of a primitive quad-tree and an entity quad-tree. A key is assigned to grids in the primitive quad-tree in association to particular grids in the entity quad-tree.