Inventor
David W. Erismann
Inventor
Cottage Grove, MN, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A46Bprimary
A46BBrushes25%
C09DCoating compositions, e.g. paints, varnishes or lacquers25%
B05CApparatus for applying fluent materials to surfaces, in general13%
C11DDetergent compositions13%
C23CCoating metallic material13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
7,045,079'Aqueous intumescent fire barrier composition'20065,518,661'Paint stripper containing benzyl alcohol or alkyl-substituted derivative and methylene chloride or other chlorinated alkane'19964,929,029'Brush manufacturing method'19904,821,359'Brush and its manufacturing method'19894,783,185'Pen-like dispenser for applying rust converting liquid'19884,389,431'Process for mechanically depositing heavy metallic coatings'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1996Patents assigned to MINNESOTA MINING & MFG (5)· patent assignee history
1983–1989Based in Cottage Grove, MN, US· patent location history
1990Based in St. Paul, MN, US· patent location history
1996–2006Based in Newport, MN, US· patent location history
2006Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 5 | 1983–1996 |
| 3M INNOVATIVE PROPERTIES CO | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cottage Grove, Minnesota, US | 3 | 1983–1989 |
| Newport, Minnesota, US | 2 | 1996–2006 |
| St. Paul, Minnesota, US | 1 | 1990 |