Cadillac upright 122F, Cadillac handhelds 60 and 41, Eureka model 10, Lincoln (Royal) 1941, Hoover Concept One, GE Tidy baby canister AVT-160B, Fein shop vac, Kenmore handheld, Shark Rocket Professional, probably a few more.
Have you ever worked on, repaired and/or restored any vacuum cleaners?