Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 33/471
Name: Geometrical instruments > Straightedge type > Plural straightedges, relatively moveable > Single pivot > With angle indicating means
Description: Subject matter having indicia on the straightedge for indicating a degree of incline or divergence.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7406774 Angle measurement tool Aug. 5, 2008
7404256 Dual line protractor for biometric measurements Jul. 29, 2008
7373727 Adjustable angle and miter finder May. 20, 2008
7335167 Posture realignment system Feb. 26, 2008
7299560 Multi-purpose tool Nov. 27, 2007
7293363 Dual line protractor for biometric measurements Nov. 13, 2007
7278221 Angle measurement tool Oct. 9, 2007
7278217 Trigonometric teaching aid Oct. 9, 2007
7243436 T-bevel plumb tool Jul. 17, 2007
7210237 Measuring tool device May. 1, 2007
7188427 Multi-task protractor Mar. 13, 2007
7051445 Apparatus generating a light illuminated line May. 30, 2006
7047655 Snap locking angle adjustable device, in particular a carpenter's square May. 23, 2006
7047659 Multi-task promotional apparatus May. 23, 2006
7003891 Compact miter apparatus Feb. 28, 2006
6978550 Protractor and ruler combination Dec. 27, 2005
6954990 Angle measuring device Oct. 18, 2005
6935033 Measuring instrument for establishing the angle of tilt of a lens mounting rim of a spectacles frame Aug. 30, 2005
6892467 Method and apparatus for edge locating and angle setting May. 17, 2005
6886263 Auxiliary drafting instrument combination applicable to digital board May. 3, 2005
6823603 Device for enabling a single user to easily and accurately mark right and oblique angles and method for employing same Nov. 30, 2004
6813842 Filler gauge with flexible measurement Nov. 9, 2004
6804895 Angle measurement tool Oct. 19, 2004
6796046 Miter cut, plumb cut, and seat cut angle finding system Sep. 28, 2004
6792687 Adjustable tool for cutting rafters Sep. 21, 2004
6776076 Angle gauge Aug. 17, 2004
6775917 Adjustable angle cutting jig device and method of using Aug. 17, 2004
6742271 Retractable straightedge framing square integrable to a level Jun. 1, 2004
6725558 Adjustable tool guide Apr. 27, 2004
6708422 Saw guide Mar. 23, 2004
6694633 Common rafter and hip layout tool Feb. 24, 2004
6691423 Miter gauge Feb. 17, 2004
6672190 Precision miter gauge Jan. 6, 2004
6594913 Protractor Jul. 22, 2003
6584698 Angle indicating apparatus capable of positioning at predetermined angles Jul. 1, 2003
6560886 Device for adjustment of cut angle May. 13, 2003
6557601 Mechanical stop system May. 6, 2003
6553676 Protractor Apr. 29, 2003
6543144 Multipurpose tool Apr. 8, 2003
6536124 Angular measuring and saw angle setting device Mar. 25, 2003
6536125 Measuring and shifting square Mar. 25, 2003
6532679 Fixture for a table saw Mar. 18, 2003
6505410 Weld gauge Jan. 14, 2003
6502492 Adjustable miter attachment Jan. 7, 2003
6477782 Device and method for gauging an angled surface and setting a tool to match the bisection of the angled surface Nov. 12, 2002
6457247 Protractor with an auxiliary ruler Oct. 1, 2002
6453568 Laser protractor Sep. 24, 2002
6405443 Geometric construction device Jun. 18, 2002
6330752 Adjustable squaring tool Dec. 18, 2001
6256900 Sine set miter gauge and method Jul. 10, 2001

1 2 3


 
 
  Recently Added Patents
Voltage presence indication device and electrical apparatus comprising such an indicator
Steel hoop made from a martensitic steel strip
Hanging sign
Printed placemat, potholder, and oven mitt and methods for making same
Monitoring VRM-induced memory errors
Interface assembly
Systems and methods for facilitating play of a casino game via expiring prepaid plays of the casino game
  Randomly Featured Patents
Substituted .gamma.-lactone compounds as NMDA-antagonists
Helically formed stent/graft assembly
Mechanism for driving the nipper shaft of a comber
Remote target hit monitoring system
Combined optical magnetic disc player with a display monitor
Extended release formulations of erythromycin derivatives
Modified optical transmission technique for characterizing epitaxial layers
Flow meter bypass valve assembly
High pressure rotary coupling
Exhaust gas recirculation system for internal combustion engine