Frank C. Keirsey, Jr.

HP Hale Fire Pump: 1 patents #9 of 21Top 45%

📍 Norristown, PA: #277 of 488 inventorsTop 60%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #3,669,361 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5993183	Gear coatings for rotary gear pumps	Michael A. Laskaris	1999-11-30