...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 6647620 | Method of making center bond flip chip semiconductor carrier A center bond flip chip device carrier and a method for making and using it are described. The method includes forming a seat with a cut out portion in at least one trace on a substrate and providing an elastomeric material over the substrate. The seat is... | 11/18/2003 |
| 4277885 | Machine for manufacturing wreaths Apparatus for the manufacture of circular wreaths, such as Christmas wreaths, is adapted for making either single-faced or double-faced wreaths, utilizing either artificial or natural wrapping materials. Disclosed is an apparatus or machine for securing facing... | 07/14/1981 |
| 4255924 | Method and machine for producing pipe cleaners The method and apparatus for producing pipe cleaners each of which comprises two wires which have been twisted into interlocking spirals with fiber elements clamped between the wires. Two primary wires pass through a spinning head and three continuous str... | 03/17/1981 |
| 4171850 | Method of and machine for manufacturing pipe cleaners Pipe cleaners comprising a plurality of short pieces of threads as active elements are formed in machines arranged in pairs. Threads are wound in helices around two rigid wires, which are advanced adjacent and parallel to each other and each belong to a d... | 10/23/1979 |
| 4117582 | Apparatus for producing parallel wire strands for bridges and the like by winding and unwinding strand of large cross-section and for simultaneously applying corrosion protection thereto Process for winding and unwinding a parallel wire strand consisting of a multiplicity of individual wires onto and from a cable drum, and apparatus for performing such process. In the winding process, the parallel wire strand which is supplied in generall... | 10/03/1978 |