Roper Industries was created in 1979.
Roper Industries's population is 300.
Roper's Knob Fortifications was created in 1863.
Roper Lake State Park was created in 1972.
Roper River Scrub Robin was created in 1914.
Robert William Roper House was created in 1838.
Roper Center for Public Opinion Research was created in 1947.
C. A. Roper has written: 'Physical security and the inspection process' -- subject(s): Security systems, Industries, Security measures 'Handcuffs, U.S' -- subject(s): Handcuffs, History
roper also invented the first car
Micro Industries was created in 1978.
Koito Industries was created in 1915.
Tips Industries was created in 1975.
Aalberts Industries was created in 1975.