Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 4089734 | Integrated circuit fusing technique A fusing technique whereby a fuse is fabricated upon a substrate by integrated circuit techniques. Three or more layers of chemically dissimilar metals are deposited upon the region where the fuse is to be formed. The top layers are then etched away from ... | 05/16/1978 |
| 4087781 | Electromagnetic lithosphere telemetry system A lithospheric electromagnetic telemetry system specifically adapted for telemetry of oil well drilling parameters from well bottom to surface of the earth. Sensors measure such parameters as pressure, temperature, salinity, direction of well bore, bit co... | 05/02/1978 |
| 4083009 | High reliability diversity communications system An improved reliability microwave communications system combining discrete state modulation with diversity transmission and reception. Signals are transmitted and received in both horizontal and vertical antenna polarization using QPSK modulation techniqu... | 04/04/1978 |
