3 ms·
pg has a patent on this (I think). http://www.ptodirect.com/Results/Patents?query=PN/6205469 http://www.ptodirect.com/Results/Patents?query=PN/6205469
by zackzackzack 15y ago
pg has a patent on this (I think).
http://www.ptodirect.com/Results/Patents?query=PN/6205469 http://www.ptodirect.com/Results/Patents?query=PN/6205469