Inventor
Richard E. Gray
Inventor
Delafield, WI, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A45Cprimary
A45CPurses25%
B01DSeparation25%
G01CMeasuring distances, levels or bearings25%
G08BSignalling systems, e.g. personal calling systems25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history
2010Based in Chicago, IL, US· patent location history
2014Patents assigned to GRAY JR RICHARD E (1)· patent assignee history
2014Patents assigned to SCHWARZENBEK ROBERT F (1)· patent assignee history
2014Based in Henrietta, NY, US· patent location history
2019Patents assigned to MILWAUKEE ELECTRIC TOOL CORP (1)· patent assignee history
2019Based in Delafield, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOSCH GMBH ROBERT | 1 | 2010 |
| GRAY JR RICHARD Eself | 1 | 2014 |
| MILWAUKEE ELECTRIC TOOL CORP | 1 | 2019 |
| SCHWARZENBEK ROBERT F | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Delafield, WI, US | 1 | 2019 |
| Henrietta, New York, US | 1 | 2014 |
| Chicago, Illinois, US | 1 | 2010 |