Light, Heat and Power Volume 6-7
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 edition. Excerpt: ...thereof ready in Court to be produced, will more fully and at large appear. And your orator further shows unto your Honors that the said Theodore G. Springer so being the patentee and sole owner of the aforesaid Letters-Patent of the United States No. 253,120, and Re-issue No. 10,032, did by a good and lawful instrument in writing assign and convey all his right, title and interest in and to said two letters-patent to your orator, its successors and assigns, which said instrument of assignment is dated the 8th day of April, 1882, and was duly recorded in the transfer books of the United States Patent' Office on the 20th day of April 1882, in Liber K 27, p. 442, as by said assignment or a duly authenticated copy thereof in Court to be produced will more fully appear. Your orator further shows that before the 25th day of April, 1882, one Theodore G. Springer was the true, first and original inventor of an "improvement in process of and apparatus for manufacturing gas," not known or used by others before his said invention thereof, and not in public use or on sale for more than two years prior to his application for letters-patent therefor, with the consent and allowance of the said Springer, or otherwise as your orator believes. Your orator further shows that the said Springer being the first inventor, as aforesaid, on due application therefor, Letters-Patent of the United States for his said invention in due form of law were issued and delivered to the said Theodore G. Springer in the name of the United States and under the seal of the Patent Office, signed by the Secretary of the Interior and countersigned by the Commissioner of Patents, dated April 25, 1S82, and numbered 257,100, whereby there was granted to the said Theodore...
- 189 x 246 x 11mm | 358g
- 13 Sep 2013
- United States
- black & white illustrations