Inventor

ALLGEIER DAVID M

US6 patents

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

NCR CORP

3 patents

US6539363B1Mar 25, 2003

Write input credit transaction apparatus and method with paperless merchant credit card processing

NCR CORP189 citations96

US5949348ASep 7, 1999

Method and apparatus for variable keyboard display

NCR CORP137 citations94

US7672900B2Mar 2, 2010

Write input transaction apparatus and method

NCR CORP2 citations60

HOOVER CO

2 patents

US7267704B2Sep 11, 2007

Filter assembly for a vacuum cleaner

HOOVER CO24 citations90

USD510647SOct 11, 2005

Upper housing portion of a floor care appliance

HOOVER CO1 citations51

ALLGEIER DAVID M

1 patent

US7360275B2Apr 22, 2008

Dirt separation system for a vacuum cleaner

ALLGEIER DAVID M19 citations85