Small took the men’s T33 100m final while Paterson Pine won archery gold.
Small held on for victory in the T33 100m final, while Paterson Pine took out the women’s individual compound open division at the archery range.
Small flew out of the blocks at the National Stadium in Tokyo to set up a gap on the field, before defending champion Ahmad Almutairi of Koeweit started closing in on him late on.
The Briton held on, egter, to take the gold by just a tenth of a second in 17.73 sekondes, claiming an upgrade on the bronze he took behind Almutairi at Rio 2016.
Small’s Great Britain team-mate Harri Jenkins took bronze in a season’s best 18.55secs, while another Briton, James Freeman, finished fourth of the five in the field.
“I entered the race, I don’t ever expect outcomes, I just go and do it and see what happens and hey ho this is where we got,” the 28-year-old Small told Channel 4.
The 23-year-old Paterson Pine defied a world ranking of just 15th in her event to take the gold medal with 134 punte, edging out Chile’s Mariana Zuniga by a single point.
The victories to Small and Paterson Pine took ParalympicsGB aan 25 gold medals, leaving them in a clear second place behind China on 48 golds, with the USA and the Russian Paralympic Committee sharing third with 15.
Louise Sugden won bronze for Britain in powerlifting in the women’s -86kg final.
Sugden finished with a best lift of 131kg, putting her third behind Nigeria’s Folashade Oluwafemiayo, who lifted 151kg, and China’s Zheng Feifei with 139kg.
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Phoebe Paterson Pine on her way to gold in the archery.
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Wat kom aan?
Sprinter Jonnie Peacock will attempt to make it a hat-trick of golds in the T64 100m. Ellie Robinson will defend her 50m butterfly S6 title, while fellow swimmer Stephanie Millward will look to retain gold in the S6 100m backstroke.