Matches 51 - 100 out of 150 < 1 2 3 >


Match Document Document Title
3717298 SLIDE RULE FOR PAYROLL USE  
The longitudinally grooved calibrated stationary part has a slidable calibrated ruler disposed therein that is marked off at one end for a half-hour or a 1-hour lunch period depending on the...
3711014 PERSONAL PORTFOLIO COMPUTER  
A personal portfolio computer having a primary utility as a record keeping and stock value calculating device is generally constructed in the form of an envelope with rectangularly shaped...
3699313 SLIDE RULE WITH OPERATIONAL GUIDANCE AND DECIMAL POINT LOCATION MEANS  
A logarithmic scale slide rule having means for readily determining operational direction and decimal location, comprising a system of oppositely facing brackets enclosing each 1 to 9.9999 scale...
3668782 SLIDE RULER TO ADJUST LENGTH OF TYPEWRITTEN LINE  
A slide ruler is provided to determine how draft copy should be marked in order that the draft might be recopied with spaces added or taken away as needed in order that each line in the final copy...
3652831 CALCULATING DEVICE FOR ESTIMATING TURBINE STEAM RATES  
A slide rule-type calculating device for estimating steam consumption in single curtis stage steam turbines. The device includes a casing having a steam rate scale, a slide member movable endwise...
3643070 SLIDE RULES INCORPORATING MAGNETIC ELEMENTS  
Slide rules constructed predominantly of nonmagnetic materials such as synthetic resins or light alloys, preferably having sliding surfaces of or faced with a synthetic resin or other material of...
3635396 SLIDING PARALLEL RULE  
A parallel rule includes an elongated body and an elongated arm with a crosshead which is slidingly inserted into a longitudinally extending channel in the body for longitudinal movement of the...
3604621 IMPROVED SLIDE RULE ARRANGEMENT  
An improved slide rule arrangement having greater accuracy in reading the slide rule and information storage capability on the cursor of the slide rule as well as means for improving the ease with...
3598414 METHOD AND APPARATUS FOR DETERMINING AND STUDYING PHILOSOPHICAL AND ORACLE RESPONSES  
A first group of symbols, preferably six, are individually visually indicated in order, each of said symbols being taken from a predetermined plurality of symbols, preferably two basic symbols...
3572583 SLIDE RULE FOR MAKING PATTERNS  
This disclosure provides a method and a tool for simplifying the art of pattern making while simultaneously increasing the accuracy of the patterns made. One embodiment of this tool is a slide...
3565335 DEVICE FOR CALCULATING QUANTITIVE COMPOSITION OF A SUBSTANCE FROM AN X-RAY SPECTROSCOPIC ANALYSIS  
Two graduated scales, relatively positionable, for making analogue computations of the quantity of a known material in a qualitatively known and quantitatively unknown composition. One scale is...
3539781 NUMERICAL SEQUENCE COMPUTER  
3522655 APPARATUS AND METHOD FOR DETERMINING THE CORRELATION COEFFICIENT OF TWO GRAPHICAL TRACES  
3512709 AMORTIZATION PAYMENTS COMPUTER  
3507045 RULE WITH INTERCHANGEABLE SCALES  
3495772 ADDING AND SUBTRACTING DEVICE  
D223859 Title is not available  
3712974 COMPUTATIONAL HEXADECIMAL SLIDE RULE  
3716186 HEXADECIMAL SLIDE RULE  
D221802 Title is not available  
3621750 SLIDE RULE CHORD SELECTOR  
D223683 Title is not available  
3485447 SLIDE RULE  
3473731 SPEED REGISTER  
3468478 PRECISION SLIDE RULE COMPUTING MECHANISM  
3467307 SCALING AND CALCULATING INSTRUMENT  
3461572 INSTRUCTIONAL DEVICE  
3443749 SLIDE RULE  
3441208 SLIDE RULE  
3406900 Powered slide rule assembly  
3405868 Slide rule  
3402482 Mathematics teaching device  
3397838 Comparative value device  
3387777 True price indicator  
3386653 Check number evaluating device  
3372869 Calculator  
3335948 Wheel alignment computer  
3323718 Computer for decimal location  
3294318 Proportional scale slide rule  
3286920 Slide rule  
3276684 Fish weight computer  
3276683 Calibration device  
3275235 Comparison calculator  
3266722 Guard band indicator  
3263919 Average calculator  
3260453 Slide rule  
3257075 Double length slide rules  
3232531 Calculator  
3232532 Calculating machines  
3229905 Ruler for making navigational computations  

Matches 51 - 100 out of 150 < 1 2 3 >