Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 4001797 | Annunciator system with direct field wiring An annunciator or similar system includes a plurality of field terminal blocks whose terminals are connected to the field wiring, the field terminal blocks removably fitting within handle terminal blocks. The handle terminal blocks are fixed to module cir... | 01/04/1977 |
| 3952285 | Security polling transponder system Transponder apparatus and a corresponding method for use in a security polling system having a central controller and a number of remotely located transponders which are polled sequentially to initiate transmission of status conditions, over telephone lin... | 04/20/1976 |
| 3946159 | Hospital communication system A communication system that uses a separate single coaxial cable to link a nurse's station to each of a plurality of patient rooms is disclosed. Each cable carries DC message signals from the patient rooms to the nurse's station to alert the nurse on duty... | 03/23/1976 |
| 3940752 | Transducing system A transducer sytem comprising a plurality of patient mounted transmitters, each of the transmitters including means for generating an asymmetric wave or a variable periodic pulse train, the asymmetry or variable periodicity of said pulse train being propo... | 02/24/1976 |
