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. 04, 2000
Filed:
Jan. 21, 1999
Applicant:
Inventor:
Joseph F Rando, Los Altos Hills, CA (US);
Assignee:
LeveLite Technology, Inc., Mt. View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ; G01C / ;
U.S. Cl.
CPC ...
33365 ; 33227 ; 33291 ;
Abstract
A tool resembling a carpenter's level is used in establishing a precise level line and projecting an existing line using a visible laser beam projector in the same instrument. A manual selector device is provided for switching from a laser beam parallel to a reference surface to one which self-levels in one axis. Methods for switching between modes are described as well as a tilt compensator.