David R. Lobb

📍 Pomeroy, PA: #2 of 3 inventorsTop 70%

🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%

Overall (All Time): #1,646,349 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5531197	Variable displacement rotary internal combustion engine	—	1996-07-02
5494014	Rotary internal combustion engine	—	1996-02-27
4731047	Apparatus for making filter frames	—	1988-03-15