Inventor

Michael R. Engel

Inventor
White Bear Lake, MN, US

Overview

15→
Patents
1979–2008
Patent span
Human necessities
Primary field (CPC A)

Patents· 15 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes16%
A61QSpecific use of cosmetics or similar toiletry preparations11%
C08LCompositions of macromolecular compounds11%
A61BDiagnosis9%
C09JAdhesives9%
A61NElectrotherapy7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
Y10TTechnical subjects covered by former us classification5%
A01NPreservation of bodies of humans or animals or plants or parts thereof2%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1989Patents assigned to MINNESOTA MINING & MFG (9)· patent assignee history
1979–1985Based in White Bear Lake, MN, US· patent location history
1989–2005Based in Maplewood, MN, US· patent location history
2002–2005Patents assigned to 3M INNOVATIVE PROPERTIES CO (5)· patent assignee history
2003Based in St. Paul, MN, US· patent location history
2008Patents assigned to DANZER HANS-JOACHIM (1)· patent assignee history
2008Patents assigned to ENGEL MICHAEL (1)· patent assignee history
2008Patents assigned to GUITTON PATRICK (1)· patent assignee history
2008Based in Ballens, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG91979–1989
3M INNOVATIVE PROPERTIES CO52002–2005
DANZER HANS-JOACHIM12008
ENGEL MICHAELself12008
GUITTON PATRICK12008
Locations
LocationPatentsSpan
White Bear Lake, Minnesota, US81979–1985
Maplewood, Minnesota, US51989–2005
Ballens, CH12008
St. Paul, Minnesota, US12003