Inventor
Stuart David Farnworth
Inventor
Westport, CT, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC19primary
LOC1931%
LOC0824%
LOC1018%
B43LArticles for writing or drawing upon16%
LOC094%
G01BMeasuring length, thickness or similar linear dimensions2%
LOC132%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
D0791563'Scissors'2017D0785705'Pencil sharpener'2017D0783378'Scissors'2017D0755289'Pencil sharpener'2016D0739197'Scissors'2015D0721935'Scissors'2015D0714864'Compass'20148,196,624'Pencil sharpener'2012D0658022'Scissors'20127,934,319'Pencil-sharpening device'20117,886,395'Pencil sharpener with eraser'2011D0631313'Scissors'20117,861,355'Retractable eraser with bristles'2011D0622772'Pencil sharpener'2010D0616942'Pencil sharpener'20107,546,858'Pencil sharpener'2009D0593612'Manually operated hole punch'2009D0591123'Scissors'2009D0591124'Scissors'2009D0590444'Pencil sharpener case with eraser'2009D0587753'Two piece interlocking eraser'2009D0586397'Ribbed eraser'2009D0584773'Retractable eraser with bristles'2009D0583689'Ruler'2008D0580985'Stand and enclosure for pencil sharpener'2008D0580986'Pencil sharpener'2008D0576506'Finger grip ruler'2008D0576508'Ruler with rounded ends'2008D0576507'Ruler with tapered groove'2008D0574685'Scissors'2008D0572103'Scissors'2008D0571632'Scissors'2008D0560522'Tape measure'2008D0559323'Pencil sharpener'2008D0559324'Pencil sharpener'2008D0554548'Ruler with inlay strip'20077,168,178'Ruler with rubber overmolded to stainless steel base'2007D0531073'Ruler'2006D0515443'Ruler'2006D0512927'Ruler'2005D0452473'Battery'2001D0433629'Battery package'2000D0432911'Battery package'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2001Patents assigned to GILLETTE CO (3)· patent assignee history
2000–2017Based in Westport, CT, US· patent location history
2005–2017Patents assigned to ACME UNITED CORP (39)· patent assignee history
2007–2015Patents assigned to FARNWORTH STUART D (2)· patent assignee history
2007–2012Patents assigned to LEE JONATHAN A (2)· patent assignee history
2012Patents assigned to FARNWORTH STUART DAVID (2)· patent assignee history
2015Based in Fairfield, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ACME UNITED CORP | 39 | 2005–2017 |
| GILLETTE CO | 3 | 2000–2001 |
| FARNWORTH STUART Dself | 2 | 2007–2015 |
| FARNWORTH STUART DAVIDself | 2 | 2012 |
| LEE JONATHAN A | 2 | 2007–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westport, CT, US | 42 | 2000–2017 |
| Fairfield, CT, US | 1 | 2015 |