5,664,645 A shopping cart with a patented wheel bearing will not run away in a parking lot. Prevents forty plus millions of dollars per year in vehicle damage claims. 5,564,378 Small, rope-started gasoline engines injure many people each year when the starting rope suddenly recoils. These problems are solved by the patented invention. 5,633,459 Auto repair shops can use this patented hand tool to detect the condition and effectiveness of piston rings without disassembling an engine.
Outdoor use prevents boredom associated with conventional exercisers.
Americana Dr. Tampa.