HJ

Henry E. McGrew, Jr.

📍 Shreveport, LA: #59 of 570 inventorsTop 15%
🗺 Louisiana: #1,356 of 10,876 inventorsTop 15%
Overall (All Time): #1,007,140 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8646757 Submersible aeration pump 2014-02-11
5885446 Wastewater treatment system for loading tablets into wastewater conduit 1999-03-23
5859589 Pressure alarm and method of operation for sewage treatment system 1999-01-12
5549818 Sewage treatment system 1996-08-27
D347257 Septic tank for holding sewerage 1994-05-24