The 20 Advancements in Gutter Guards: 1880 – Present
The Twenty Advancements in Gutter Guards: 1880 – Present There have been over 500 patents issued in the field of gutter covers since J.M. Hess received the first patent ever issued in 1880. Since then, there have been a few notable advancements: The gutter screen, invented in 1891 by Smith and Slaymaker The perforated surface, […]
