ROTO-ROOTER by Roto-Rooter Corporation (Track this)
Intl: (037) Building construction and repair US: 103 Filing date: 25-Aug-1960 Serial number: 72103414
ROTO MISSION by Andantex, U.S.A., Inc. (Track this)
Intl: (007) Machinery US: 023 Filing date: 28-Apr-1960 Serial number: 72095965
ROTO-EDGER by THE AMES COMPANIES, INC. (Track this)
Intl: (007) Machinery US: 023 Filing date: 09-Jul-1952 Serial number: 71632291
ROTO-ROOTER by ROTO-ROOTER CORPORATION (Track this)
Intl: (037) Building construction and repair US: 103 Filing date: 14-Dec-1951 Serial number: 71622514
PROTO by STANLEY LOGISTICS, L.L.C. (Track this)
Intl: (009) Electrical and scientific apparatus US: 026 Filing date: 21-May-1951 Serial number: 71614160
ROTO-CLONE by AMERICAN AIR FILTER COMPANY, INC. (Track this)
Intl: (007) Machinery US: 023 Filing date: 23-Jul-1948 Serial number: 71562000