Absolute Teaching Device
Copyright © Targeted News Service, 2023
2023-01-24
Copyright © Targeted News Service, 2023
2023-01-24
ALEXANDRIA, Virginia, Jan. 24 -- An inventor from Warren, Michigan, Sheila Hall has been awarded a patent (No. US 11562661 B2, initially filed Jan. 14, 2021) for "Absolute teaching device." . . .