...he was working
at the PATENT office.
The Big Bang Theory Season 3, Episode 14
"regarding your quantum guidance system,
provisional PATENT 62/295118."
The Big Bang Theory Season 9, Episode 24
we could get a PATENT and license it
to companies that make guidance systems.
The Big Bang Theory Season 9, Episode 16
What if we go around the university
and just get the PATENT ourselves?
The Big Bang Theory Season 9, Episode 18