Inventor
Robert W. Graham
Inventor
Dayton, OH, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing8%
B42DBooks8%
B60TVehicle brake control systems or parts thereof8%
B62DMotor vehicles8%
C25CProcesses for the electrolytic production, recovery or refining of metals8%
F01PCooling of machines or engines in general8%
F15BSystems acting by means of fluids in general8%
F16KValves8%
F25BRefrigeration machines, plants or systems8%
G06KGraphical data reading8%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to ALUMINUM CO OF AMERICA (1)· patent assignee history
1976Based in Port Lavaca, TX, US· patent location history
1999Based in Janesville, WI, US· patent location history
2004–2012Based in Dayton, OH, US· patent location history
2012–2020Patents assigned to GRAHAM ROBERT WILLIAM (2)· patent assignee history
2012Patents assigned to GRIP4ORCE LLC (1)· patent assignee history
2012Patents assigned to HARTMAN JAMES (1)· patent assignee history
2020Patents assigned to JOHNSON DAVID (1)· patent assignee history
2020Based in Springboro, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRAHAM ROBERT WILLIAMself | 2 | 2012–2020 |
| ALUMINUM CO OF AMERICA | 1 | 1976 |
| GRIP4ORCE LLC | 1 | 2012 |
| HARTMAN JAMES | 1 | 2012 |
| JOHNSON DAVID | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dayton, OH, US | 2 | 2004–2012 |
| Springboro, OH, US | 1 | 2020 |
| Janesville, WI, US | 1 | 1999 |
| Port Lavaca, Texas, US | 1 | 1976 |