Ingenieurbüro Stahlkopf is a verifiable German engineering consultancy established circa 2012, specializing in embedded systems, FPGA, and LED lighting. Search confirms the existence of valid patents (e.g., EP2413667) and the ownership of an IEEE MA-L (OUI) MAC address block, indicating potential for high-volume hardware manufacturing (approx. 16M addresses). While the submission quality is extremely poor (vague claims, unprofessional 'ShadowWing' alias, confusing 'marketcap' figure), the underlying business demonstrates genuine technical utility and longevity (10+ years). The claim 'most people have used my product' remains hyperbolic but is partially supported by the firm's supply chain role in consumer electronics and display systems.
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