Inventor
John W. Lothrop
Inventor
Windham, NH, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Hprimary
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool17%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors17%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
G03DApparatus for processing exposed photographic materials17%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light17%
Y10TTechnical subjects covered by former us classification17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1982Patents assigned to POLAROID CORP (3)· patent assignee history
1979–1982Based in Windham, NH, US· patent location history
1980Patents assigned to AVIDOR JOEL M (1)· patent assignee history
1980Patents assigned to LOTHROP JOHN W (1)· patent assignee history
1980Patents assigned to PUGH EVAN R (1)· patent assignee history
1980Patents assigned to STEWART CHARLES C (1)· patent assignee history
1980Based in Peabody, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLAROID CORP | 3 | 1979–1982 |
| AVIDOR JOEL M | 1 | 1980 |
| LOTHROP JOHN Wself | 1 | 1980 |
| PUGH EVAN R | 1 | 1980 |
| STEWART CHARLES C | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Windham, NH, US | 3 | 1979–1982 |
| Peabody, Massachusetts, US | 1 | 1980 |