Memorial of the Lehigh Zinc Company in reference to a bill reviving the expired patent of Samuel T. Jones, upon petition of his administratrix, Martha M. Jones, passed by the House of Representatives
Publisher: [s.n.]
Published: 1868
Place of publication: Bethlehem, Pa
Language: eng
Subjects: Chemical processes; Patents; Patent extensions
Description: "On July 23d, 1850, Samuel T. Jones obtained an English patent for improvement in method of making white oxide of zinc, which patent expired July 23d, 1864."
Notes: Caption title.