Inventor
Spencer Frazer
Inventor
Lynnwood, WA, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B25Fprimary
B25FCombination or multi-purpose tools not otherwise provided for34%
B26BHand-held cutting tools not otherwise provided for21%
Y10TTechnical subjects covered by former us classification9%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding6%
A23FCoffee2%
A47JKitchen equipment2%
B23DPlaning2%
B25GHandles for hand implements2%
C08BPolysaccharides2%
C08HDerivatives of natural macromolecular compounds2%
PatentTitleYear
10,899,848Assessing and improving wheat gluten quality with rheometric analysis20219,867,494'Reciprocating coffee filter'20189,751,202'Assisted opening multitool method and apparatus'20179,656,403'Collapsible fingerguard'20178,671,578'Forward extending assisted opening knife'20148,511,208'Assisted opening multitool method and apparatus'20138,424,425'Discrete multitool locking method and apparatus'20138,359,753'Actuating opening system for folding knife'20138,296,958'Folding knife with mechanism to reposition back bar'20128,109,002'Wire stripping back bar knife'20128,011,048'Multitool incising attachment method and apparatus'20117,946,201'Discrete multitool locking method and apparatus'20117,793,570'Tension locking tool'20107,665,389'Multitool with wire stripping element'20107,634,858'Folding knife with finger guard'20097,533,465'Folding knife with finger guard'20097,530,130'Multi-tool incising attachment method and apparatus'20097,124,510'Knife with double-ended rotatable blade'20066,941,661'Folding knife'20056,474,202'Multipurpose tool and components thereof'20026,282,997'Multipurpose tool and components thereof'2001D0446571'Sporting knife'20016,070,504'Compound pliers tool with linked handles'2000D0421668'Tweezers for a multipurpose tool'20006,003,180'Compound pliers tool with linked handles'19995,957,013'Hand tool with retractable jaw assembly'1999D0403569'Folding hand tool'19995,829,329'Hand tool with retractable jaws'19985,809,599'Compound pliers tool with linked handles'1998D0368634'Combination hand tool'19965,267,366'Combination hand tool with retractable pliers jaws'1993D0338386'Combination hand tool'19934,369,857'Loudspeaker and horn combination'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Based in Los Angeles, CA, US· patent location history
1993–2009Patents assigned to SOG SPECIALTY KNIVES INC (14)· patent assignee history
1993–2018Patents assigned to FRAZER SPENCER (11)· patent assignee history
1993–2002Based in Edmonds, WA, US· patent location history
2005–2018Based in Seattle, WA, US· patent location history
2006–2017Based in Lynnwood, WA, US· patent location history
2011Patents assigned to SOG Specialty Knives & Tools LLC (2)· patent assignee history
2012–2013Patents assigned to SOG SPECIALTY KNIVES AND TOOLS LLC (4)· patent assignee history
2013–2014Patents assigned to SOG Specialty Knives and Tools (2)· patent assignee history
2021Based in Maple Grove, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SOG SPECIALTY KNIVES INC | 14 | 1993–2009 |
| FRAZER SPENCERself | 11 | 1993–2018 |
| SOG SPECIALTY KNIVES AND TOOLS LLC | 4 | 2012–2013 |
| SOG Specialty Knives & Tools LLC | 2 | 2011 |
| SOG Specialty Knives and Tools | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lynnwood, Washington, US | 16 | 2006–2017 |
| Edmonds, Washington, US | 13 | 1993–2002 |
| Seattle, Washington, US | 2 | 2005–2018 |
| Maple Grove, Minnesota, US | 1 | 2021 |
| Los Angeles, California, US | 1 | 1983 |