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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4900923 |
Reflectance measuring apparatus including a cylinder-shaped light conducting device between the ... |
Feb. 13, 1990 |
| 4900922 |
Arrangement of a light wave conductor-phase sensor for the measurement of minute elongations |
Feb. 13, 1990 |
| 4900921 |
System and method for opto-acoustic liquid quantity measurement and transducer therefor |
Feb. 13, 1990 |
| 4900920 |
Device for and method of measuring minute elongations by means of light wave conductor sensors |
Feb. 13, 1990 |
| 4900919 |
Wide bandwidth fiber optic accelerometer |
Feb. 13, 1990 |
| 4900918 |
Resonant fiber optic accelerometer with noise reduction using a closed loop feedback to vary pat... |
Feb. 13, 1990 |
| 4900917 |
Polarization insensitive optical communication device utilizing optical preamplification |
Feb. 13, 1990 |
| 4900916 |
System employing preconditioned radiation for detecting defects in transparent objects |
Feb. 13, 1990 |
| 4900915 |
Method of counting articles supplied on a conveyor track in a random pattern |
Feb. 13, 1990 |
| 4900914 |
Wide-angle viewing window with a plurality of optical structures |
Feb. 13, 1990 |
| 4900913 |
Optical position detector having first and second spaced apart sensors for detecting multiple li... |
Feb. 13, 1990 |
| 4900912 |
Driver circuit for semiconductor light-emitting device |
Feb. 13, 1990 |
| 4900911 |
Focus detecting system utilizing correction data on aberrations of the photographic lens |
Feb. 13, 1990 |
| 4900910 |
System for detecting the position of an objective lens |
Feb. 13, 1990 |
| 4900909 |
Card printing apparatus |
Feb. 13, 1990 |
| 4900908 |
Card accessing apparatus having a head disposed under a card feeding stage |
Feb. 13, 1990 |
| 4900907 |
Optical information reading apparatus |
Feb. 13, 1990 |
| 4900906 |
Automated fuel pump controlling system |
Feb. 13, 1990 |
| 4900905 |
Automated mail collecting and telecommunication machine |
Feb. 13, 1990 |
| 4900904 |
Automated transaction system with insertable cards for downloading rate or program data |
Feb. 13, 1990 |
| 4900903 |
Automated transaction system with insertable cards for transferring account data |
Feb. 13, 1990 |
| 4900902 |
Data communication apparatus |
Feb. 13, 1990 |
| 4900901 |
Tamper proof assembly |
Feb. 13, 1990 |
| 4900900 |
Method and apparatus for controlling a-c power by means of thyristors for a resistance-type elec... |
Feb. 13, 1990 |
| 4900899 |
Cooking unit with radiant heaters |
Feb. 13, 1990 |
| 4900898 |
Electric space heater |
Feb. 13, 1990 |
| 4900897 |
Sheathed electric heating element assembly |
Feb. 13, 1990 |
| 4900896 |
Continuous flow water heater with magnetically-actuated flow switch |
Feb. 13, 1990 |
| 4900895 |
Rectangular electrode |
Feb. 13, 1990 |
| 4900894 |
Method of heating a quartz glass tube |
Feb. 13, 1990 |
| 4900893 |
Laser oscillation control system |
Feb. 13, 1990 |
| 4900892 |
Method for working members composed of oxide material |
Feb. 13, 1990 |
| 4900891 |
Laser ice removal system |
Feb. 13, 1990 |
| 4900890 |
Electric discharge machining method and apparatus for machining a microshaft |
Feb. 13, 1990 |
| 4900889 |
Current supply device for movable electrodes of spark erosion machines |
Feb. 13, 1990 |
| 4900888 |
Holder for wire-arc discharge cutting machinery |
Feb. 13, 1990 |
| 4900887 |
Floating zone drawing circuitry for semiconductor rods |
Feb. 13, 1990 |
| 4900886 |
Microwave beverage maker |
Feb. 13, 1990 |
| 4900885 |
High frequency heating system with changing function for rated consumption power |
Feb. 13, 1990 |
| 4900884 |
Composite cooking system having microwave heating and induction heating |
Feb. 13, 1990 |
| 4900883 |
Fluid-operated compound switch |
Feb. 13, 1990 |
| 4900882 |
Rotating arc and expansion circuit breaker |
Feb. 13, 1990 |
| 4900881 |
Safety interlock for floor maintenance machine and method |
Feb. 13, 1990 |
| 4900880 |
Gas damped crash sensor |
Feb. 13, 1990 |
| 4900879 |
Insulation system for magnetic windings |
Feb. 13, 1990 |
| 4900878 |
Circuit terminations having improved electrical and structural integrity |
Feb. 13, 1990 |
| 4900877 |
Shielding and sealing gaskets |
Feb. 13, 1990 |
| 4900876 |
Powder emitting animal collar and method of making |
Feb. 13, 1990 |
| 4900875 |
Polymeric viscosity index additive and oil composition comprising the same |
Feb. 13, 1990 |
| 4900874 |
Method for producing fluorine-containing olefin |
Feb. 13, 1990 |
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