PTO
- (initialism) . United States Patent and Trademark Office, usually abbreviated USPTO.
- (initialism) . Please turn over (written at the end of the text on a page to say that it continues overleaf).
- (initialism) . Parent teacher organization.
- (initialism) . Paid time off.
- (initialism) . power take-off, a powered shaft for driving auxiliary equipment.
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This entry was last updated on RefTopia from its source on 3/20/2012.