411 REFERENCE · Wiktionary
Johnson bar
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
The reinforcing bar was invented by A. L. Johnson of the St. Louis Expanded Metal Company.
Noun
A corrugated metal bar used to reinforce concrete.
A hand lever on various vehicles.
A lever-dolly (similar to a crowbar) for moving heavy apparatus.
en eponyms