| Patent No. | Patent Title: |
| 4709652 | Pneumatic audio sweep generator |
| 4679523 | Flag having a support pedestal |
| 4676664 | Exploring for subsurface hydrocarbons by sea floor temperature gr... |
| 4676099 | Suspended-cable apparatus for measuring a preselected condition o... |
| 4674325 | Microwave moisture sensor |
| 4674433 | Correct answer displaying device for arithmetic practicing unit |
| 4674431 | Traffic control element |
| 4665746 | Liquid level measuring apparatus and method |
| 4664056 | Irreversible threshold-temperature indicator |
| 4655160 | Deck box |
| 4651556 | Measuring device |
| 4649743 | Abnormal noise detector for gear units |
| 4649853 | Siren |
| 4649744 | Fish locator probe |
| 4646567 | Wind indicator for sailboat |
| 4644895 | Marking arrangement for aiding aircraft mid-air refueling |
| 4641521 | Valve-spring tool |
| 4637252 | Test instrument |
| 4632052 | Tornado early warning device |
| 4631956 | Air deployed oceanographic mooring |
| 4630477 | Thermistor liquid-level sensing probe |
| 4629333 | Chilled mirror hygrometer with performance monitoring |
| 4629335 | Indicator tube combined with a temperature gauge |
| 4627378 | Fill gate for grain bins and the like |
| 4625675 | Diet management device |
| 4621527 | Flat glass sight gauge |
| 4619220 | Collapsible sign with flags |
| 4619221 | Inventory indicating means for refrigeration apparatus |
| 4616938 | Apparatus for measuring thermal and other quantities of substance... |
| 4612802 | Method and apparatus for rapidly determining the moisture content... |
| 4608862 | Spline checking fixture |
| 4607961 | Heat flux meter |
| 4606295 | Mechanical door chime powered by motion of the door |
| 4605314 | Spectral discrimination pyrometer |
| 4603579 | Trolling speed indicator |
| 4601254 | Tire pressure warning device |
| 4601255 | Flagpole device |
| 4592301 | Fire extinguisher support mechanism incorporating an audible alar... |
| 4590795 | Process and device for continuously determining the moisture cont... |
| 4583399 | Precipitation gauge |
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