Trivia.com
WD-40 stands for ‘Water Displacement, 40th formula.’
Trivia.com
WD-40 has never been patented as patenting would force them to disclose their recipe
See also
.com
WD-40 stands for ‘Water Displacement, 40th formula.’
WD-40 has never been patented as patenting would force them to disclose their recipe