Notify me of New Entries on this Page
You can receive an email whenever a new invention for sale is added to this category. You can unsubscribe at any time.
Complete Maths Text book is solved with voice explanation. Only for higher classes.
I have sold my invention, the (Samson) Electron Battery Accelerator due to the listing on IdeaConnection. Thanks, was a great place for exposure to the public!
– Ken F.
My Egg Cracker invention is now under licence in the United States, thanks to my listing on your inventions page.
– John O.