Inventor

HEILMAN DAVID R

US3 patents

⚠️ This page may combine multiple inventors who share the name “HEILMAN DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JET FILTER SYSTEMS LLC

2 patents

US10124281B2Nov 13, 2018

Filter assembly for retaining wall drain holes

JET FILTER SYSTEMS LLC11 citations74

US10731317B2Aug 4, 2020

Adjustable coupling mechanism for a filter assembly for a retaining wall drainage tube

JET FILTER SYSTEMS LLC0 citations32

GEN MOTORS CORP

1 patent

US4010998AMar 8, 1977

Matable electrical connector means with inertia lock

GEN MOTORS CORP51 citations90