Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Frieman; Shlomo Ruvane
Address:
Los Angeles, CA
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
6926530 Game apparatuses and methods for use in teaching the addition and subtraction of positive and ne August 9, 2005
A game apparatus and a method for assisting in teaching the addition and subtraction of positive and, especially, negative numbers, are based on the Null Theory of Adding and Subtracting Positive and Negative Numbers. The apparatus comprises (a) a plurality of positive units, (b) a plura
6786485 Dice game apparatus and methods for using same September 7, 2004
A dice game apparatus comprises a first numerical die, a second numerical die, and at least one operator die selected from the group consisting of a first operator die and a second operator die. While the dice game apparatus comprises the first operator die and/or the second operator die
6755658 Game apparatuses and methods for use in teaching the addition, subtraction, multiplication, and June 29, 2004
Game apparatuses and methods for assisting in teaching the addition, subtraction, multiplication, and division of positive and, especially, negative numbers, are based on the Null Theory of Adding, Subtracting, Multiplying, and Dividing Positive and Negative Numbers. An exemplary game










 
 
  Recently Added Patents
RF amplifier with digital filter for polar transmitter
Generator with a segmented stator
Touchscreen with extended conductive pattern
Plants and seeds of hybrid corn variety CH514730
Cancer vaccines containing epitopes of oncofetal antigen
Monofocal photographing lens assembly
System and method for combined I/Q generation and selective phase interpolation
  Randomly Featured Patents
Assembly structure of friction device for automatic transmission
Accurate voltage measurement system using relay isolated circuits
Multi-layered conjugated acrylic fibers and the method for their production
Twin trowel cement finishing machine
Vibrating membrane horns
Friction clutch and actuator thereof
Detection device for vehicles
Book holder
Repair of open circuited gas discharge display panel conductors
Electric cooker