Inventor

Robert W. Graham

Inventor
Dayton, OH, US

Overview

5→
Patents
1976–2020
Patent span
Mechanical engineering
Primary field (CPC F)

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
AssigneePatentsSpan
GRAHAM ROBERT WILLIAMself22012–2020
ALUMINUM CO OF AMERICA11976
GRIP4ORCE LLC12012
HARTMAN JAMES12012
JOHNSON DAVID12020
Locations
LocationPatentsSpan
Dayton, OH, US22004–2012
Springboro, OH, US12020
Janesville, WI, US11999
Port Lavaca, Texas, US11976