Gumpert sign Posted on August 27, 2022 by admin Gumpert sign Sign - Symbol - Watermark - Trademark - Company logo. The below image is of the Gumpert sign showing the sign by itself or the logo including the brand name of the relevant organization. Gumpert sign Tags: gumpert sign, gumpert sign brand, gumpert sign logo, gumpert sign logos, gumpert sign sign, gumpert sign symbol, gumpert sign trademark