John M. Mankins

📍 Atascadero, CA: #26 of 161 inventorsTop 20%

🗺 California: #124,610 of 386,348 inventorsTop 35%

Overall (All Time): #1,269,116 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6564823	Method and apparatus for testing plumbing installations	—	2003-05-20
6390118	Apparatus and method for testing plumbing system	—	2002-05-21
6161563	Plumbing tool	—	2000-12-19
5740830	Testing of plumbing installations	—	1998-04-21