...of Illinois, have invented a certain new and useful improvement in Processes of Concentrating Ores; and I do hereby declare that the following is a full, clear, and exact description thereof. The discovery which forms the basis of my invention is that metals and metallic substances...

...Francisco and State of California, have invented a new mode or method of removing submarine rocks, and that the following is a full, clear, and exact description of the principle or character which distinguishes it from all other things before known, and of the usual...

...invented certain new and useful improvements in Methods of Treating Aeriform Fluids upon Compression, do hereby declare that the following is a full, clear and exact description of the same. The compression of Aeriform fluid, is attended with heat and to take this up, it has been found...

...of Illinois, have invented a certain new and useful improvement in Processes of Concentrating Ores; and I do hereby declare that the following is a full, clear, and exact description thereof. The discovery which forms the basis of my invention is that metals and metallic substances...

...patentee claims to have invented certain new and useful improvements in electric toasters, and he declares that the following is a full, clear and exact description of the same. He alleges that his invention consists of "a suitable base, a plate "of insulating material,...

...Allentown, in the County of Lehigh, State of Pennsylvania, have invented a new and improved cement; and I do hereby declare that the following is a full, clear, and exact description thereof, which willenable others skilled in the art to make and use the same. I have discovered that...

...invented certain new and useful improvements in friction matches and apparatus for using them, and we do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, making part of this specification, in which...

...New York, have invented a new and useful Improvement in Treating Auriferous and Argentiferous Ores; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable those skilled in the art to make and use the same, reference being had to...

...city, county, and State of New York, have invented a new and useful improvement in burglar-proof safes; and I do hereby declare that the following is a full, clear, afid exact description thereof, reference being had to the accompanying drawings making part of this...

...invented certain new and useful improvements in electrical apparatus for lighting street lamps, etc., and I do hereby declare that the following is a full, clear and exact description of the same, reference being had to the accompanying plates of drawings. This invention relates to that class...