Patents/Inventors

David B. Harder

Burnsville, MNUS4 patents

5 Patents

US122399292025
Filter Cartridge Having Air Vent with Restriction, Assemblies, and Methods
Donaldson Company, Inc.
0 cites
US121619612024
Liquid Filter Arrangement and Methods
Donaldson Company, Inc.
0 cites
US120364872024
Fuel Filter with Coalescer
Donaldson Company, Inc.
0 cites
US116543842023
Liquid Filter Arrangement and Methods
Donaldson Company, Inc.
0 cites
US115716412023
Fuel Filter with Coalescer
Donaldson Company, Inc.
0 cites