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GPHYSICS G09Cryptography, education, displays G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE MODELS PLANETARIA GLOBES MAPS DIAGRAMS G09B3/00Manually or mechanically operated teaching appliances working with questions and answers

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Patents Grantslast 30 patents

Information Patent Grant
Image processing apparatus and image processing method for appropri...
- Patent number 9,357,099
- Issue date May 31, 2016
- KYOCERA Document Solutions Inc.
- Toru Honda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for multiple choice testing system with immedi...
- Patent number 6,210,171
- Issue date Apr 3, 2001
- Michael L. Epstein
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Test booklet including tear out answer sheets having scratch-off an...
- Patent number 5,924,740
- Issue date Jul 20, 1999
- Enterprises for Continuing Education, Inc.
- Lois E. Romans
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Answer sheet covering device
- Patent number 5,154,616
- Issue date Oct 13, 1992
- Ronald D. Hegardt
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Test answer and score sheet device
- Patent number 5,102,341
- Issue date Apr 7, 1992
- Touchstone Applied Science Associates, Inc.
- Bertram L. Koslin
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Reusable learning aid
- Patent number 4,968,258
- Issue date Nov 6, 1990
- Max O. Kees
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Test answer and score sheet device
- Patent number 4,943,239
- Issue date Jul 24, 1990
- Touchstone Applied Science Associates, Inc.
- Betram L. Koslin
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Bound book with bound holder carrying loose-leaf pages
- Patent number 4,811,973
- Issue date Mar 14, 1989
- Victor Kumar-Misir
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Multicolor interactive notepad
- Patent number 4,787,852
- Issue date Nov 29, 1988
- David W. Melnick
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Instructional apparatus
- Patent number 4,781,598
- Issue date Nov 1, 1988
- Burton Cutler
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Skill evaluating apparatus and method
- Patent number 4,650,426
- Issue date Mar 17, 1987
- Curriculum Associates, Inc.
- Albert H. Brigance
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Programmed learning textbook
- Patent number 4,552,536
- Issue date Nov 12, 1985
- Andrew F. Kay
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Book reference list
- Patent number 4,544,360
- Issue date Oct 1, 1985
- Joseph Goodman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Invisible ink quiz game
- Patent number 4,514,177
- Issue date Apr 30, 1985
- Stry-Lenkoff Co.
- Leon G. Lenkoff
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for recording uncoded scores or ratings by multiple evaluato...
- Patent number 4,478,584
- Issue date Oct 23, 1984
- Kathryn Kaney
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Teacher prepared formats for instructional apparatus
- Patent number 4,449,943
- Issue date May 22, 1984
- James R. Harte
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for preparing examinations
- Patent number 4,437,838
- Issue date Mar 20, 1984
- TTK Communication Products
- Robert T. Tauber
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Information gathering system
- Patent number 4,428,733
- Issue date Jan 31, 1984
- Victor Kumar-Misir
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Self teaching instrument
- Patent number 4,403,967
- Issue date Sep 13, 1983
- Kyu S. Cho
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Self-scoring test with non-disclosed key
- Patent number 4,337,051
- Issue date Jun 29, 1982
- Thomas Donlon
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optically scannable answer sheet booklet with sequence bars printed...
- Patent number 4,300,791
- Issue date Nov 17, 1981
- National Computer Systems, Inc.
- James B. Bohrer
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Apparatus for determining the result of answers to a set of related...
- Patent number 4,213,251
- Issue date Jul 22, 1980
- National Research Development Corporation
- Stavros Foundos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Diagnostic skills test
- Patent number 4,175,339
- Issue date Nov 27, 1979
- S. E. Jones
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System for visual communication
- Patent number 4,084,332
- Issue date Apr 18, 1978
- John S. Waloszyk
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for constructing and grading objective examina...
- Patent number 4,074,445
- Issue date Feb 21, 1978
- Ben Joseph Friedman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Instructional apparatus with elastic sheet
- Patent number 4,065,858
- Issue date Jan 3, 1978
- James Richard Harte
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Element and method for teaching with liquid crystals
- Patent number 4,038,761
- Issue date Aug 2, 1977
- A. B. Dick Company
- Richard E. Thomas
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Card grading system
- Patent number 4,031,636
- Issue date Jun 28, 1977
- John M. Hurt
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Answer scoring device
- Patent number 4,021,938
- Issue date May 10, 1977
- Frank R. Antioco
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Test form for use with a test scoring apparatus
- Patent number 4,002,888
- Issue date Jan 11, 1977
- Minnesota Mining and Manufacturing Company
- Richard E. Jahnke
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Systems and methods for aiding data organization related applications
- Publication number 20100140355
- Publication date Jun 10, 2010
- Blake A. Egan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Chemically activated highlighting system and method
- Publication number 20060224957
- Publication date Oct 5, 2006
- Ryan Jense
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

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Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Image processing apparatus and image processing method for appropri...

Method and apparatus for multiple choice testing system with immedi...

Test booklet including tear out answer sheets having scratch-off an...

Answer sheet covering device

Test answer and score sheet device

Reusable learning aid

Test answer and score sheet device

Bound book with bound holder carrying loose-leaf pages

Multicolor interactive notepad

Instructional apparatus

Skill evaluating apparatus and method

Programmed learning textbook

Book reference list

Invisible ink quiz game

Method for recording uncoded scores or ratings by multiple evaluato...

Teacher prepared formats for instructional apparatus

Apparatus for preparing examinations

Information gathering system

Self teaching instrument

Self-scoring test with non-disclosed key

Optically scannable answer sheet booklet with sequence bars printed...

Apparatus for determining the result of answers to a set of related...

Diagnostic skills test

System for visual communication

Method and apparatus for constructing and grading objective examina...

Instructional apparatus with elastic sheet

Element and method for teaching with liquid crystals

Card grading system

Answer scoring device

Test form for use with a test scoring apparatus

Patents Applicationslast 30 patents

Systems and methods for aiding data organization related applications

Chemically activated highlighting system and method