John E. Alexander

PG Porter'S Group: 2 patents #7 of 17Top 45%

Overall (All Time): #1,641,692 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
5846083	Lead demonstrator	—	1998-12-08
5329074	Marine engine exhaust muffler	—	1994-07-12
D335118	Power boat	—	1993-04-27