Before revision: United States 150px|Thomas Alva Edison Ronald Reagan as President of the United States proclaimed 11 February 1983 as National Inventors' Day , Proclamation 5013, to " ...call upon the people of the United States to observe this day with appropriate ceremonies and activities ".
After revision: United States 150px|Thomas Alva Edison Jimmy Carter as President of the United States proclaimed 11 February 1979 as National Inventors' Day with Proclamation 4635 where he stated, " Now, Therefore, I, Jimmy Carter, President of the United States of America, do hereby call upon and urge the people of the United States to honor all inventors by joining me in observing February 11, 1979, National Inventors' Day, with appropriate ceremonies and activities