07805850 is referenced by 2 patents and cites 20 patents.

An extendable edge reference tool is disclosed. A first segment having a extending end and a receptacle end is provided. The receptacle end includes a coupling mechanism for joining a second segment using an over-center locking force to secure said second segment to said first segment. This tool provides for a useful continuous reference edge over extended distances through adjoining segments. Each segment is suitably compact to be easy stowed. The segments are useful individually. The segments can be joined to extend tool to lengths useful in common construction tasks.

Title
Extendable edge reference tool
Application Number
11/556569
Publication Number
7805850 (B1)
Application Date
November 3, 2006
Publication Date
October 5, 2010
Inventor
Christopher Tacklind
Palo Alto
CA, US
John Johnston
Redwood City
CA, US
Brian Lamb
San Francisco
CA, US
David Titzler
Palo Alto
CA, US
Andrew Butler
Palo Alto
CA, US
Jeff Hayashida
San Jose
CA, US
Edward Cooper
Lafayette
CA, US
Agent
Jeffrey Schox
Assignee
Design to Manufacturing
CA, US
IPC
B43L 7/10
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