Inventor

KUMPF DAVID C

US2 patents

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

HOOVER CO

1 patent

US6875255B2Apr 5, 2005

Removable dirt separation system for a vacuum cleaner

HOOVER CO28 citations89

ALLGEIER DAVID M

1 patent

US7360275B2Apr 22, 2008

Dirt separation system for a vacuum cleaner

ALLGEIER DAVID M19 citations85