Inventor
William Stobbs
Inventor
North Reading, MA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
C30BSingle-crystal growth13%
H10DInorganic electric semiconductor devices13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
4,400,588'Electronic voice network for a telephone subscriber\'s substation'19834,309,574'Electronic tone ringer'19824,278,985'Monolithic integrated circuit structure incorporating Schottky contact diode bridge rectifier'19814,174,422'Growing epitaxial films when the misfit between film and substrate is large'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Patents assigned to IBM (1)· patent assignee history
1979Based in Cambridge, GB· patent location history
1981Patents assigned to GTE LABORATORIES INC (1)· patent assignee history
1981–1983Based in North Reading, MA, US· patent location history
1982–1983Patents assigned to GTE AUTOMATIC ELECTRIC LAB INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE AUTOMATIC ELECTRIC LAB INC | 2 | 1982–1983 |
| GTE LABORATORIES INC | 1 | 1981 |
| IBM | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| North Reading, Massachusetts, US | 3 | 1981–1983 |
| Cambridge, GB | 1 | 1979 |