Inventor
Frank H. Blitchington
Inventor
Richmond, VA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits20%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
H04NPictorial communication, e.g. television8%
Y10TTechnical subjects covered by former us classification8%
B07CPostal sorting4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
G01BMeasuring length, thickness or similar linear dimensions4%
G01RMeasuring electric variables4%
PatentTitleYear
4,965,208'Inspection of multipattern circuit boards'19904,947,335'Identification of workpiece information'19904,600,951'Scanning sample, signal generation, data digitizing and retiming system'19864,556,903'Inspection scanning system'19854,333,044'Methods of and system for aligning a device with a reference target'19824,307,961'Apparatus for precisely aligning a pair of elements'19814,268,172'Method of and system for automatically adjusting a threshold level of a pulse generating circuit to inspect a web'19814,205,769'Methods of and system for counting holes and for detecting missing holes in a web'19804,109,158'Apparatus for positioning a pair of elements into aligned intimate contact'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1982Patents assigned to WESTERN ELECTRIC CO (5)· patent assignee history
1978–1990Based in Richmond, VA, US· patent location history
1985–1986Patents assigned to AT & T TECHNOLOGIES INC (2)· patent assignee history
1990Patents assigned to AT & T BELL LAB (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTERN ELECTRIC CO | 5 | 1978–1982 |
| AT & T BELL LAB | 2 | 1990 |
| AT & T TECHNOLOGIES INC | 2 | 1985–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, Virginia, US | 9 | 1978–1990 |