It has a patent.
2007-04-16 15:36:30 · 3 answers · asked by Gayle W 1 in Science & Mathematics ➔ Engineering
contact the U.S. patent office
2007-04-16 15:41:13 · answer #1 · answered by RICHARD B 3 · 0⤊ 0⤋
it is extremely tense, yet i think of that Braille is a extraordinarily wonderful invention, or sign language, besides the fact that i think we are conversing contraptions....Hum....Indoor plumbing is extraordinarily cool, besides the fact that it comes with a lot of issues if it would not paintings actual, flooding and water harm is the worst...electrical energy is super too, yet returned it motives greater than a number of issues, fires and expenditures and a ask your self the place it is going to return from interior the destiny. guy i don't know yet i think of that possibly society could have been a lot greater desirable off if we had stayed with out indoor plumbing and electrical energy, however the wheel, even interior the days with out plumbing and electrical energy became a super help.It makes issues greater handy to flow around., something from airborne dirt and airborne dirt and dust, to people. So i think it is my vote.
2016-12-20 16:48:01 · answer #2 · answered by Anonymous · 0⤊ 0⤋
You can hire an agency or start canvassing companies that deal in that product.
2007-04-16 15:45:32 · answer #3 · answered by Gene 7 · 0⤊ 0⤋