Donald R. Girdner, Jr.

HE Heateflex: 1 patents #3 of 5Top 60%

📍 Montclair, CA: #31 of 71 inventorsTop 45%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #2,905,624 of 4,157,543Top 70%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10058802	Filter housing with removable multi-cartridge holder	Hector Joel Castaneda	2018-08-28