Harry C. Hopkins received a patent for an improved method of producing and utilizing chlorophyll. His work focused on the extraction and application of chlorophyll for various purposes, including its potential use in food and medicinal products. This innovation contributed to advancements in the fields of biochemistry and nutrition.
D. Harry Hopkins
Claude C. Hopkins was born in 1866.
Claude C. Hopkins died in 1932.
Stephen C. Shear has written: 'Patents and the patent process' -- subject(s): Forms, Patent laws and legislation, Patent practice
Nope. They were not in business in 1853. The Hopkins and Allen company was founded in 1868 by S. S. Hopkins, C. W. Hopkins and C. H. Allen. The company experienced financial difficulties and in 1898 was reorganized as the Hopkins & Allen Arms Co.
J. C. F. Hopkins has written: 'Tobacco diseases' -- subject(s): Tobacco, Diseases and pests
Averil C. Waters has written: 'Hong Kong patent law' -- subject(s): Patent laws and legislation
Kalyan C. Kankanala has written: 'Indian patent law and practice' -- subject(s): Patent laws and legislation
Robert C. Kahrl has written: 'Thesaurus of claim construction' -- subject(s): Patent laws and legislation, Patent practice, Terminology
Claude C. Hopkins has written: 'Scientific advertising' -- subject(s): Advertising 'My life in advertising' -- subject(s): Accessible book, Advertising, Biography
C-DOT
Nathan C. Brooks died on 1898-10-06.