Inventor
Walter Hatfield
Inventor
Fair Haven, NJ, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters10%
B82YSpecific uses or applications of nanostructures10%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%
G01BMeasuring length, thickness or similar linear dimensions10%
G03GElectrography10%
G11BInformation storage based on relative movement between record carrier and transducer10%
H01BCables10%
H01JElectric discharge tubes or discharge lamps10%
H04LTransmission of digital information, e.g. telegraphic communication10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
9,068,283'Strain sensors, methods of making same, and applications of same'20154,888,763'Method and apparatus for detecting the collision of data packets utilizing a preassigned transceiver code in the preamble'19894,415,906'Magnetic recording heads'19833,935,494'Single substrate plasma discharge cell'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1976–1989Based in Fair Haven, NJ, US· patent location history
1983Patents assigned to WANG LABORATORIES (1)· patent assignee history
1989Patents assigned to CODENOLL TECHNOLOGY CORP (1)· patent assignee history
2015Patents assigned to UNIV ARKANSAS (1)· patent assignee history
2015Based in Merritt Island, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BELL TELEPHONE LABOR INC | 1 | 1976 |
| CODENOLL TECHNOLOGY CORP | 1 | 1989 |
| UNIV ARKANSAS | 1 | 2015 |
| WANG LABORATORIES | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fair Haven, New Jersey, US | 3 | 1976–1989 |
| Merritt Island, Florida, US | 1 | 2015 |