Resources
Contact Us
Home
Browse by:
INVENTOR
PATENT HOLDER
PATENT NUMBER
DATE
Browse by Category:
Main
>
Business
Class Information
Number:
434/329
Name:
Education and demonstration
>
Question or problem eliciting response
>
Correctness of response indicated to examine by self-operating or examinee actuated means
> Involving fluid flow
Description:
Subject matter wherein the correctness of the examinee"s response is revealed by means involving movement of a fluid.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
4354845
Identification structure for games and educational use and for other use
Oct. 19, 1982
Recently Added Patents
System and method for leveraging independent innovation in entertainment content and graphics hardware
Earphone
Active pulse blood constituent monitoring
Method and system of extending battery life of a wireless microphone unit
Double patterning method using tilt-angle deposition
Method and system for placing an emergency call
Facial recognition using a sphericity metric
Randomly Featured Patents
Unilateral fixator
Dice game unit
Mandevilla plant named `Sunpararosta`
Broadcast text data sampling apparatus and broadcast text data sampling method
Glass enclosed three lead circuit breaker
Compound
Doctoring apparatus with flexible blade mounting
Dynamic feedforward process control for electrographic machines
Insecticidal, miticidal and lepidoptericidal active isothiuronium complex acids and free bases
Process for producing acicular hydrated ferric oxide particles
© 2006-2011. PatentGenius.com All Rights Reserved.
