ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,786, issued on Dec. 9.
"Light emitting diode (LED) light bulb and string light using LED light bulb" was invented by Sijun Zou (Meizhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a light emitting diode (LED) light bulb and a string light using the LED light bulb. The LED light bulb includes an LED surface mounted device (SMD) lamp bead, a transparent lamp housing, and a rubber core. A metal lead lamp foot is in SMD welding to each connecting terminal of the LED SMD lamp bead, a waterproof rubber matrix is encapsulated in the LED SMD lamp bead. The string light includes a power line, a male connector, a female connector, and a...