Inventor

John E. Robertson

Inventor
Troy, MI, US

Overview

9→
Patents
1979–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B23Pprimary
B23PMetal-working not otherwise provided for16%
B62DMotor vehicles16%
B23KSoldering or unsoldering8%
H04NPictorial communication, e.g. television8%
Y10TTechnical subjects covered by former us classification8%
A61MDevices for introducing media into, or onto, the body4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
B01DSeparation4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to ANTI POLLUTION SYSTEMS (1)· patent assignee history
1996–2007Based in Troy, MI, US· patent location history
2005–2007Patents assigned to FORD MOTOR CO (3)· patent assignee history
2010Patents assigned to ALLIED HEALTHCARE PROD (1)· patent assignee history
2010Based in Stuyvesant Falls, NY, US· patent location history
2019Patents assigned to UNIV ARIZONA STATE (1)· patent assignee history
2019Based in Prescott, AZ, US· patent location history
2020Patents assigned to FACEBOOK TECH LLC (2)· patent assignee history
2020Based in Palo Alto, CA, US· patent location history
2020Based in Newark, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FORD MOTOR CO32005–2007
FACEBOOK TECH LLC22020
ALLIED HEALTHCARE PROD12010
ANTI POLLUTION SYSTEMS11979
UNIV ARIZONA STATE12019
Locations
LocationPatentsSpan
Troy, MI, US41996–2007
Palo Alto, California, US12020
Newark, California, US12020
Prescott, AZ, US12019
Stuyvesant Falls, New York, US12010