Inventor
Robert E. K. Kroll
Inventor
Plymouth, MN, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Gprimary
G01GWeighing67%
B23KSoldering or unsoldering17%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Based in Abbott Park, IL, US· patent location history
1987–1988Patents assigned to KROLL KARL J F (2)· patent assignee history
1987–1988Patents assigned to KROLL MARK W (2)· patent assignee history
1987–1988Patents assigned to KROLL ROBERT E K (2)· patent assignee history
1987–1988Patents assigned to KROLL WILLIAM P (2)· patent assignee history
1987–1988Based in St. Louis Park, MN, US· patent location history
1993Patents assigned to INTERCOMP COMPANY (2)· patent assignee history
1993Based in Plymouth, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INTERCOMP COMPANY | 2 | 1993 |
| KROLL KARL J F | 2 | 1987–1988 |
| KROLL MARK W | 2 | 1987–1988 |
| KROLL ROBERT E Kself | 2 | 1987–1988 |
| KROLL WILLIAM P | 2 | 1987–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Plymouth, Minnesota, US | 2 | 1993 |
| St. Louis Park, Minnesota, US | 2 | 1987–1988 |
| Abbott Park, Illinois, US | 1 | 1985 |