Inventor

David A. Lange

Inventor
Bay City, MI, US

Overview

6→
Patents
1995–2007
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F16Hprimary
F16HGearing38%
Y10TTechnical subjects covered by former us classification38%
A61FFilters implantable into blood vessels8%
F16CShafts8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2003Patents assigned to THOMSON SAGINAW BALL SCREW (4)· patent assignee history
1995–2004Based in Bay City, MI, US· patent location history
2004Patents assigned to THOMSON SAGINAW BALL SCREW CO (1)· patent assignee history
2007Patents assigned to RF TECHNOLOGIES INC (1)· patent assignee history
2007Based in Milwaukee, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
THOMSON SAGINAW BALL SCREW41995–2003
RF TECHNOLOGIES INC12007
THOMSON SAGINAW BALL SCREW CO12004
Locations
LocationPatentsSpan
Bay City, MI, US51995–2004
Milwaukee, WI, US12007