Henry Green applied for a patent on an incandescent Lamp

Green applied for a patent on an incandescent lamp on September 2, 1891.

1. Green would apply for a patent on a lamp cap tomorrow.
2. Green received his patent, No. 495, 467, on April 11, 1893.

United States Patent Office, "Incandescent Lamp," Patent No. 495,467, April 11, 1893.