A computer that can't be hacked
Cold Fusion & an armed drone that targets just traffic police when I'm on my motorbike.
A muzzle made specifically for politicians.
Self-cleaning poultry house.
Safer, lighter, stronger, more comfortable horse float.
Fire proof fencing.
Modular joining systems for a wider choice of angles in building;
particularly those required for octagonal and hexagonal floor plans and roofs.
I would invent a way to make you buy "what I'd invent", after I patent it. ;)
something that will stop racism and sexism
ADC.. Automatic Diaper Changer.
Tired of babysitting.. meh!!
a food replicator
shoes with head lamps or
scratch and sniff computer screens.
Cooling running shoes
A comb or brush that allows you to squeeze a liquid like shampoo, directly onto the skin or scalp through the the bristles. It would be for dog baths.
they have those for washing dishes and cars... might work on a dog
A Smell-o-scope, of course.