MS

Mark W. Spoltman

HP Hartzell Propeller: 1 patents #6 of 12Top 50%
Overall (All Time): #3,922,435 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4810167 Composite aircraft propeller blade Richard D. Bowerman, Richard L. Edinger 1989-03-07