Griswold Signal Company

Griswold Signal Company
FormerlyGriswold Safety Signal Company
IndustryEngineering
Founded1923
FounderFranklin W. Griswold
Defunct1964; 60 years ago (1964)
FateMerged with Railroad Accessories Corporation (RACO) in 1964
Headquarters,
Area served
U.S., Canada, New Zealand
ProductsRailway Signalling, Traffic Signalling

The Griswold Signal Company was an American company focused on railway signalling, based in Minneapolis, Minnesota. Founded by Minnesota native Franklin Wolcott Griswold,[1] the company manufactured traffic signals and railroad level crossing signals.

  1. ^ Griswold Signal Co - inventor obituary on The Star Tribune of Minneapolis, Minnesota, 8 Jan 1992, page 18