Inventions have helped all nations. Which inventions and what help they have provided depends on the nation and the invention was. You need to be more specific.
Blount's Inventions were not purchased by any company in the United States because their inventions were not unique.
A E. Brown has written: 'Absolutely mad inventions' -- subject(s): Miscellanea, United States, Inventions, United States. Patent Office, Patents, History
Many were invented in the United States by Americans.
The military tank was one of many inventions in 1914.
Most of his most important inventions were done in the United States in the states of New York and Colorado.
Lightning rods (Franklin), Dumbwaiters (Jefferson), and the United States of America (the Badasses of the Revolution).
Brazil did not invent anything because the United States of America had already invented everything.
The United States Patent and Trademark Office (PTO or USPTO) is an agency in the United States Department of Commerce that issues patents to inventors and businesses for their inventions, and trademark registration for product and intellectual property identification.
united states
inventions help civilizations to advance and help life be easier
Inventions help us because they help us do everyday things in an eaisier way.
For the United States to help them get freedom