Inventor
John B. MacDonald
Inventor
Boston, MA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOCD1primary
LOCD132%
G06FElectric digital data processing11%
G06KGraphical data reading11%
B82YSpecific uses or applications of nanostructures5%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like5%
E04HBuildings or like structures for particular purposes5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
G11BInformation storage based on relative movement between record carrier and transducer5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
PatentTitleYear
6,137,116'Optical probe for scanning surfaces within constricted spaces'20005,434,403'Method and apparatus for reading bar codes with a television camera'19955,213,312'Barrier system and barrier units therefor'19934,697,175'Lightpen control circuit'19874,695,103'Diskette holder'1987D0277465'Portable emergency alarm transmitter'1985D0270731'Portable data terminal'1983D0270158'Computer terminal'1983D0267565'Document feeder for copying machine'19834,365,305'Vector generator for computer graphics'1982D0263120'Powder dispenser'1982D0262401'ECG Tape playback/recorder/monitor/analyzer system'1981D0257253'Terminal'1980D0255236'Floppy disk enclosure'1980D0255116'Portable programmer for programmable controller'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1983Based in Boston, MA, US· patent location history
1981Patents assigned to AMERICAN OPTICAL CORP (1)· patent assignee history
1982Patents assigned to CERTIFIED CHEMICALS INC (1)· patent assignee history
1982–1987Based in West Windsor, NJ, US· patent location history
1983Patents assigned to CINCINNATI MILACRON IND INC (1)· patent assignee history
1985–1987Based in Dedham, MA, US· patent location history
1987Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history
1995Patents assigned to AT & T BELL LAB (1)· patent assignee history
1995Based in Princeton Junction, NJ, US· patent location history
2000Based in Princeton, NJ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN OPTICAL CORP | 1 | 1981 |
| AMERICAN TELEPHONE & TELEGRAPH | 1 | 1987 |
| AT & T BELL LAB | 1 | 1995 |
| CERTIFIED CHEMICALS INC | 1 | 1982 |
| CINCINNATI MILACRON IND INC | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boston, Massachusetts, US | 8 | 1980–1983 |
| West Windsor, New Jersey, US | 2 | 1982–1987 |
| Dedham, Massachusetts, US | 2 | 1985–1987 |
| Princeton, New Jersey, US | 1 | 2000 |
| Princeton Junction, New Jersey, US | 1 | 1995 |