Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/360
Name: Education and demonstration > Question or problem eliciting response > Grading of response form > Means sensing aperture representing response
Description: Subject matter including means for detecting an aperture made in a means (e.g., a sheet, etc.) by an examinee to indicate his response.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Printing apparatus having extendable functionality and method thereof
System and method for monitoring network activity
Antimicrobial flush solutions
Light-emitting device
Mirror elements for EUV lithography and production methods therefor
Nucleic acid-based tests for prenatal gender determination
Toner cartridge
  Randomly Featured Patents
Method and apparatus for measuring and optimising the quality of data transmission
Image scanning method
Parallel memory device for image processing utilizing linear transformation
Torque control apparatus for rotary machine
Imaging apparatus having a focus-error and/or tilt detection device
Optical pickup apparatus and method of manufacturing the same
Glitch-free clock regeneration circuit
Ferroelectric analog memory device and method of operating the same
Helmet
Method for producing a fluidtight and heat curable seal between metal objects and a body of vitroceramic material