Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 248/446
Name: Supports > Easel; book, copy or music score holder > With book leveling means
Description: Device for supporting a book in open position and including means for maintaining the two halves of the open face of the book in substantially the same horizontal plane, regardless of the relative thickness of the two halves of the book.










Patents under this class:

Patent Number Title Of Patent Date Issued
8668257 Foldable bracket of a chair Mar. 11, 2014
8424831 One-piece support stand Apr. 23, 2013
8416513 Book holding apparatus with a magnifying visible area Apr. 9, 2013
8308121 Portable multiple form organizer Nov. 13, 2012
8136785 Device to read in bed or when reclining Mar. 20, 2012
7568674 Device to read in bed or when reclining Aug. 4, 2009
6499766 Media folder improvements Dec. 31, 2002
6471174 Graphic arts station Oct. 29, 2002
6170877 Page holder Jan. 9, 2001
6089609 Check clip Jul. 18, 2000
5129616 Book support for supine or seated readers Jul. 14, 1992
4998703 Portable illuminated bookholder and lectern Mar. 12, 1991
4976408 Device for microfilming bound volumes using a tiltable book cradle Dec. 11, 1990
4925144 Portable bookholder May. 15, 1990
4896252 Bookholder Jan. 23, 1990
4771977 Book support Sep. 20, 1988
4596372 Stand for supporting matter to be read Jun. 24, 1986
4300052 Apparatus for exposing a series of plates to radiation Nov. 10, 1981











 
 
  Recently Added Patents
Check weigher comprising of a rotating weighing chute with an accumulating and a discharge position that calculates flow rate by measuring weight accumulated during a predetermined time interv
Wire catalyst for hydrogenation/dehydrogenation reaction and manufacturing method therefor
Tricyclic inhibitors of kinases
Message transfer apparatus, output method, and computer program product
Cell reselection and handover with multimedia broadcast/multicast service
Method of manufacturing III-nitride crystal
Article based on a composition containing a crosslinked blend of elastomers
  Randomly Featured Patents
Process for hydrophobization of microbacteria retaining air filter
Sword shaped wall-mounted lamp
Manufacturing method of semiconductor chip with adhesive agent
Method and apparatus for attaching spectacle frame components and lenses
Food processor assembly
Method of and apparatus for manipulating tows of filter material for tobacco smoke
Communication device sharing on a local area network
Lens barrel having cam-cylinder with cam-groove and varying wall thickness, lens barrel having guide-cylinder with varying wall thickness, and lens barrel having the cam-cylinder and the guide
Wiring cabinet having vertically aligned patch panels
Information processing apparatus and its control method