Inventor
David C. Roeker
Inventor
Hudson, WI, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Dprimary
B24DTools for grinding, buffing or sharpening22%
B24BMachines, devices, or processes for grinding or polishing9%
B29CShaping or joining of plastics9%
A46BBrushes8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
Y10TTechnical subjects covered by former us classification8%
A46DManufacture of brushes7%
LOC155%
B05BSpraying apparatus4%
C09JAdhesives4%
PatentTitleYear
7,090,148'Mixing cup adapting assembly'20066,722,955'Buckup plate assembly for grinding system'20046,595,441'Mixing cup adapting assembly'20036,536,687'Mixing cup adapting assembly'20036,506,277'Abrasive sheet dispenser and method of use'20036,393,805'Container for stacked sheets'20026,361,424'Back-up pad for abrasive articles and method of making'20026,321,910'Container for stacked sheets'20016,261,156'Molded abrasive brush'20016,193,337'Abrasive sheet dispenser'20016,126,533'Molded abrasive brush'2000D0424765'Center portion of a brush'20006,059,644'Back-up pad for abrasive articles and method of making'2000D0415378'Dispenser for abrasive sheets'19995,964,006'Rotary surface treatment tool'19995,915,436'Molded brush'19995,903,951'Molded brush segment'1999D0399620'Surface treating article retainer'19985,807,161'Reversible back-up pad'1998D0394530'Surface treating article retainer system'19985,679,067'Molded abrasive brush'1997D0381139'Molded abrasive brush'19975,640,772'Cutting tool and method for manufacture'19975,469,623'Cutting tool and method for manufacture'19955,400,460'Microwaveable adhesive article and method of use'19955,340,649'Microwaveable adhesive article and method of use'19945,001,804'Self centering buff pad with low temperature tuft bonding thermoplastic adhesive'19914,907,313'Self centering buffing pad with low temperature tuft bonding adhesive'19904,844,967'Back up pad with drive adapter and offset passageways'19894,569,431'Dual hand control'19864,429,455'Connector application machine'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1999Patents assigned to MINNESOTA MINING & MFG (15)· patent assignee history
1984–2006Based in Hudson, WI, US· patent location history
1986Patents assigned to QUALEY TERRYL K (1)· patent assignee history
1989–1997Based in Troy, MN, US· patent location history
1990–2003Based in St. Paul, MN, US· patent location history
1991–1995Based in Troy Township, St. Croix County, WI, US· patent location history
1999–2006Patents assigned to 3M INNOVATIVE PROPERTIES CO (15)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 15 | 1999–2006 |
| MINNESOTA MINING & MFG | 15 | 1984–1999 |
| QUALEY TERRYL K | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hudson, WI, US | 25 | 1984–2006 |
| St. Paul, Minnesota, US | 2 | 1990–2003 |
| Troy, Minnesota, US | 2 | 1989–1997 |
| Troy Township, St. Croix County, WI, US | 2 | 1991–1995 |