Mary Kies "Her patent, issued May 5, 1809, was for a process for weaving straw with silk that was adopted by the New England hat-making industry" ( I see it says "silk" but the issue of "straw hat" seems most relevant)
1809 ... Lincoln's BirthDate. And of course he is the only President to have a patent.
“The honest man, tho' e'er sae poor,
Is king o' men for a' that” Robert Burns