www.ip-tools.org content attributions
The copyright and trademarks of particular images, pictograms and brand names are held by their respective owners, unless otherwise noted.
The image for depicting phpIP was taken from the US patent document US3874756A issued to Kenneth E. Greene in 1975.
It describes a brochure filing system.
https://patentview.ip-tools.io/view/pn/US3874756A
The image for depicting PatZilla was taken from the US patent document US2046837A issued to Henry F. Phillips in 1934.
It describes a means for uniting a screw with a driver.