Vintage Shelton Ratchet Versatool Screwdriver Review / Restoration

This is one of the original ratcheting bit-drivers. It was invented by RP
Lavietes and made by a company called Shelton.
Mine has a Sherwin Williams paint store logo on it. Likely handed out as part of a promotion.

Patent number on tool: 2,662,568
Links to Patent Documents:
https://patents.google.com/patent/US3799226A/en
https://patents.google.com/patent/GB856270A/en