Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7306254 | Trailer kingpin locking device A security device is disclosed which mounts to a king pin of a trailer to prevent unauthorized coupling of the trailer to a tractor. The security device includes a austempered ductile iron dual shell body having an inner shell for receiving a trailer kingpin and an ... | 12/11/2007 |
| 4342477 | Security seal with break-off screw head securement A security seal comprising a tie member that forms the seal shackle and a retainer in the form of a block or body in which the tie member ends are anchored when the device is in use as a seal. Manual anchoring of the tie member in the retainer, in applyin... | 08/03/1982 |
| 4299417 | Tamper proof plastic security seal A tamper proof all plastic one piece security seal comprising a shackle or securing strap and retainer in which the retainer comprises a body having a keeper portion, defining a latching cavity, and a flange portion integral with one side of the keeper po... | 11/10/1981 |
