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Inventor

Mark S. Fernwood

Inventor
Danville, CA, US

Overview

12→
Patents
1990–2007
Patent span
Human necessities
Primary field (CPC A)

Patents· 12 as inventor

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

A61Cprimary
A61CDentistry50%
B24CAbrasive or related blasting with particulate material33%
B05BSpraying apparatus8%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
PatentTitleYear
RE039714'Hand-holdable gas/abrasion apparatus'20076,439,966'Hand-holdable gas/abrasion apparatus'20026,277,003'Gas abrasive particle apparatus and valving therefor'20016,149,509'Removable nozzle for a sandblaster handpiece'20005,984,678'Friable abrasive media'19995,984,677'Air abrasive particle apparatus'19995,842,863'Device for containing excess abrasive material'19985,810,587'Friable abrasive media'19985,765,759'Removable nozzle for a sandblaster handpiece'19985,718,581'Air abrasive particle apparatus'19985,203,698'Wet foam sandblaster'19934,941,298'Rear reservoir micro sandblaster'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to BLAKE THOMAS S (2)· patent assignee history
1990–1993Patents assigned to FERNWOOD MARK (2)· patent assignee history
1990–2007Based in Danville, CA, US· patent location history
1998–2001Patents assigned to DANVILLE ENGINEERING (6)· patent assignee history
1998Patents assigned to DANVILLE MANUFACTURING INC (1)· patent assignee history
1998Based in Contra Costa, CA, US· patent location history
2007Patents assigned to DANVILLE MATERIALS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DANVILLE ENGINEERING61998–2001
BLAKE THOMAS S21990–1993
FERNWOOD MARKself21990–1993
DANVILLE MANUFACTURING INC11998
DANVILLE MATERIALS INC12007
Locations
LocationPatentsSpan
Danville, California, US111990–2007
Contra Costa, California, US11998