An entrepreneur from Springfield, Missouri, shares his invention that helps prevent the spread of germs like COVID-19. A husband-and-wife duo from Scottsdale, Arizona, introduce their refrigerated safe that makes contactless delivery more secure. An ... (more)entrepreneur from South Jordan, Utah, hopes his idea for an at-home probiotic maker grows on the Sharks. A pair of entrepreneurs from Charlotte, North Carolina, and Atlanta, Georgia, respectively, is over the moon about their spacesuit-influenced gadget guard.