Key Dates in Whelen's History

Please forgive me if this has been shared here previously. While searching for something else this evening, I found this image:

I also found this image available in PDF form:

https://whelen.widen.net/content/d3yr503hvo/pdf/TimelineGraphic.pdf?u=dghurz

Source: https://www.whelen.com/about-us

I hope some portion of this information is helpful to someone else.

 

[dmathieu]

1952 1st aircraft anti-collision beacon, and 1956 1st automotive Roto-Beam.