Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/104
Name: Education and demonstration > Visual art or craft, artistic adornment, or color training or demonstration > Color display > Including relatively rotatable elements (e.g., concentrically mounted color disks, etc.)
Description: Subject matter including parts which turn relative to each other.










Patents under this class:

Patent Number Title Of Patent Date Issued
8681171 Method for identifying, displaying, selecting, naming and matching colors Mar. 25, 2014
8042291 Scent releasing picture changer Oct. 25, 2011
7561735 System and process for identifying, choosing and matching colors Jul. 14, 2009
6665965 Ergonomic color sample fan deck Dec. 23, 2003
6632093 Display system facilitating paint color selection and coordination Oct. 14, 2003
6514078 Electronic educational device Feb. 4, 2003
6186504 Color-change puzzle game Feb. 13, 2001
6139325 Device for determining color combinations Oct. 31, 2000
5913683 Learning aid Jun. 22, 1999
5174758 Color selector for four-color offset printing, and method of creating it Dec. 29, 1992
5026286 Color standard arrangement Jun. 25, 1991
4973253 Color selecting apparatus Nov. 27, 1990
4801267 Display device for illustrating color mixtures Jan. 31, 1989
4796888 Hue sequence device Jan. 10, 1989
4761137 Color coordination cone Aug. 2, 1988
4608015 Method for selecting the coloration of a bonding composite for a discolored tooth Aug. 26, 1986
4594070 Calculator for harmonizing colors Jun. 10, 1986
4400161 Graphic display and tonal value determinator Aug. 23, 1983
4399353 Color computer wheel Aug. 16, 1983
4199877 Color harmony scale Apr. 29, 1980
4112594 Color coordinating implement Sep. 12, 1978
4104809 Color sample display device Aug. 8, 1978
4027404 Paint set and teaching aid Jun. 7, 1977











 
 
  Recently Added Patents
Bi-directional switch using series connected N-type MOS devices in parallel with series connected P-type MOS devices
Interconnecting virtual domains
Data transfer device and data transfer method
Cache memory control device, semiconductor integrated circuit, and cache memory control method
Email certificates
Self cleaning rake
Dynamic learning method and adaptive normal behavior profile (NBP) architecture for providing fast protection of enterprise applications
  Randomly Featured Patents
Backup method and storage control device using the same
Bathroom scale
Manufacturing method for base piece made to adhere to adhesive sheet, manufacturing method for semiconductor wafer and manufacturing method for semiconductor device
Electronic enclosure cover
Selectively permeable membrane type reactor
Door assembly and refrigerator using the same
Electric rotary shaver
Mat having a padded portion
Spo-rel from streptococcus pneumoniae
Occupant arresting device