Very likely produced in the 80's, as this was the last model and production stopped in 1989.
I can say that they were discontinued in the year 1989.
John H. Stevens was born in 1820.
John H. Stevens died in 1900.
Clement H. Stevens died on 1864-07-25.
Clement H. Stevens was born on 1821-08-14.
Carl H. Stevens Jr. was born in 1929.
Carl H. Stevens Jr. died in 2008.
H. R. Stevens House was created in 1775.
H. B. Stevens has written: 'First lines in dispensing' -- subject(s): Pharmacy
J. H. Stevens has written: 'The soils and agriculture of the Al Ain oases, Abu Dhabi'
James H. Stevens has written: 'Compression leverage fractures of the ankle joint' -- subject(s): Accessible book, Ankle
George H. Stevens has written: 'The manufacture of synthetic phenol from benzol by sulphonation' -- subject(s): Phenol 'Stevens' China wood oil formulary' -- subject(s): Tung-oil