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Inventor

Michael L. Teetzel

Inventor
Hugo, MN, US

Overview

4→
Patents
1981–2007
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B24Dprimary
B24DTools for grinding, buffing or sharpening44%
Y10TTechnical subjects covered by former us classification22%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
C08LCompositions of macromolecular compounds11%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
PatentTitleYear
7,294,667'Coated abrasive articles containing graphite'20076,672,952'Tearable abrasive article'20046,239,049'Aminoplast resin/thermoplastic polyamide presize coatings for abrasive article backings'20014,275,529'High flap density abrasive flap wheel'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1981Based in Anoka, MN, US· patent location history
2001–2007Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history
2001–2007Based in Hugo, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO32001–2007
MINNESOTA MINING & MFG11981
Locations
LocationPatentsSpan
Hugo, Minnesota, US32001–2007
Anoka, Minnesota, US11981