Proto
| Use attributes for filter ! | |
| Parent organizations | Stanley Black & Decker |
|---|---|
| Founded | Los Angeles |
| California | |
| United States | |
| Headquarters | New Britain |
| Connecticut | |
| United States | |
| Founders | Charles Williams |
| Alphonse Plomb | |
| Jacob Weninger | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2391436 |
About Proto
Proto Tools is an American industrial hand tool company. Founded as Plomb, it is presently a division of Stanley Black & Decker. The company is credited with creating the first combination wrench in 1933.
