World Intellectual Property Organization - For thousands of years, umbrellas ☂️⛱️🌂☔ have protected us from pouring rain and blazing sunshine. While, unsurprisingly, their basic concept has remained the same since ancient Egypt,
USPTO on Twitter: "An umbrella and a cane? How about a parasol that you can change the color of to match your outfit? In the past, patented designs for umbrellas and parasols
Umbrellas with inflatable portions Patent Grant Handwerker , et al. [The Handwerker Umbrella Company LLC]
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