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 died in 1900.
John H. Stevens was born in 1820.
H. R. Stevens House was created in 1775.
Carl H. Stevens Jr. was born in 1929.
Carl H. Stevens Jr. died in 2008.
Clement H. Stevens died on 1864-07-25.
Clement H. Stevens was born on 1821-08-14.
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