I looked before when I made up those Langmuir Systems Christmas ornaments and the closest I could find was “ZAP round” .
But I believe this logo may have been created from scratch in fusion 360
I tried search it through whatsmyfont.com by was not able to find a clear match.
In their other branding they use a different a “font”
I am not for sure on this but it does feel like these "fonts " were created in drafting software and were never actually fonts.