Frederik J. Herenius

PL Perkins Engines Company Limited: 3 patents #22 of 209Top 15%

📍 Peterborough, GB: #32 of 222 inventorsTop 15%

Overall (All Time): #1,685,762 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D259489	Combined induction and exhaust manifold for an internal combustion engine	—	1981-06-09
4214443	Marine engine manifold	—	1980-07-29
4187678	Marine engine manifold	—	1980-02-12