The world would be a far less efficient place without Vise-Grip locking pliers.A Danish immigrant blacksmith named William Petersen patented the concept in 1924 and started a family business that ...
Vintage Vise-Grips made in the original factory in DeWitt, NE are identified by “Petersen Manufacturing, DeWitt, NEBR” in the logo and by a roll pin that attaches the release handle. Newer Vise-Grips ...