Aircraft flight computer

Apparatus and methods for calculating gamma radiography variable

Apparatus for determining SMR codes

Bioclock calculating device for human body

Bra-size calculator

Calculator for comparative product investment recovery

Carburetor jet selection tool

Circular sliderule improvement

Color computer wheel

Combination golf ball marker and stroke indicator device

Concentric rotating disc assembly

Conception control calendar

Decoying calculator

Device and method for identifying a size of an absorbent...

Device for the joint evaluation of several cyclic processes

Engine condition calculating device

Fertility period calculator

Gestational calculator

Global time system

Golf round timing device