Attend Trade Shows
There are national, regional, and local trade shows for everything from hardware, consumer electronics, apparel, and aircraft to nuclear medicine, dental equipment, comic books, and musical instruments. If it is manufactured and sold, you can be sure it has been marketed at a trade show somewhere, sometime.
The first safety pins were used in Europe some 4,000 years ago. But people jabbed themselves with their sharp, open tips. It wasn’t until 1849, in New York City, that Walter Hunt invented a pin that was, indeed, safe when he put a clasp over the dangerous tip. Actually, had he not been in debt, he might never have invented the safety pin. A guy he had tapped for $15 said he would forgive the debt and pay ...