anyone ever heard of johnson valves

[snohacking]

Someone on a local forum is selling brand new Johnson valves, I have never heard of them. Google searching didn't come back with anything. I talk to guy and he said that's what crower valves are now called. Anyone know anything about them or is this guy bsing me
Thanks for the help

 

[89Mirageman]

I want to say that Johnson/Top Line are the same parts.