Inventor
David A. Clarke
Inventor
Chicago, IL, US
Overview
Patents· 13 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 for15%
Y10TTechnical subjects covered by former us classification12%
B23DPlaning8%
B25HWorkshop equipment, e.g. for marking-out work8%
B27CPlaning, drilling, milling, turning or universal machines for wood or similar material8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
H04MTelephonic communication8%
B23CMilling4%
B27BSaws for wood or similar material4%
B27GAccessory machines or apparatus for working wood or similar materials4%
PatentTitleYear
D0619436'Power router tool'20107,677,281'Power router tool'20107,596,872'Cutting attachment with a removable cover for rotary hand tools'20097,424,768'Handle for power tool'20087,310,879'Cutting attachment having an adjustable foot for rotary hand tools'20077,308,572'Method of printing a document'20077,261,166'Switch for power tool'20076,335,964'Voice processing system'20025,970,126'Communication method and system'19994,918,429'Display system with symbol font memory'19904,835,722'Curve generation in a display system'19894,789,926'Digital data processing arbitration system'19884,754,647'Semiconductor integrated pressure transducer'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2002Patents assigned to IBM (6)· patent assignee history
1988–2002Based in Eastleigh, GB· patent location history
1999Based in Chandler's Ford, GB· patent location history
2007–2010Patents assigned to BOSCH GMBH ROBERT (6)· patent assignee history
2007Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (1)· patent assignee history
2007–2010Based in Chicago, IL, US· patent location history
2007Based in Bristol, GB· patent location history
2008Patents assigned to CREDO TECH CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOSCH GMBH ROBERT | 6 | 2007–2010 |
| IBM | 6 | 1988–2002 |
| CREDO TECH CORP | 1 | 2008 |
| HEWLETT PACKARD DEVELOPMENT CO | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chicago, Illinois, US | 6 | 2007–2010 |
| Eastleigh, GB | 5 | 1988–2002 |
| Bristol, GB | 1 | 2007 |
| Chandler's Ford, GB | 1 | 1999 |