InventHelp Inventor Develops Improved Design for a Lighter (OSW-123) /PRNewswire/ -- "I wanted to create an improved design for a lighter with added safety features," said an inventor, from Vallejo, Calif., "so I invented the ... prnewswire.com prnewswire.com / feeds prnewswire-com-financial-services .. prnewswire-com-news-releases / / #money / / 14 days 14d Share