P

Inventor

HOFFMAN ANN

US7 patents
⚠️ This page may combine multiple inventors who share the name “HOFFMAN ANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOFFMAN RESOURCES LLC

3 patents
US7038590B2May 2, 2006

Personal security and tracking system

HOFFMAN RESOURCES LLC253 citations97
US6624754B1Sep 23, 2003

Personal security and tracking system

HOFFMAN RESOURCES LLC215 citations96
US5742233AApr 21, 1998

Personal security and tracking system

HOFFMAN RESOURCES LLC897 citations95

HOFFMAN MARK

2 patents
US8466795B2Jun 18, 2013

Personal security and tracking system

HOFFMAN MARK15 citations81
US8149124B2Apr 3, 2012

Personal security and tracking system

HOFFMAN MARK11 citations81

HOFFMAN RESOURCES INC

1 patent
US6239700B1May 29, 2001

Personal security and tracking system

HOFFMAN RESOURCES INC244 citations94

Pragmatus Mobile LLC

1 patent
US9235972B2Jan 12, 2016

Personal security and tracking system

Pragmatus Mobile LLC6 citations77