Inventor

Stephen P. Ferkel

Inventor
Appleton, WI, US

Overview

11→
Patents
2000–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B23Kprimary
B23KSoldering or unsoldering92%
G01CMeasuring distances, levels or bearings8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2021Patents assigned to ILLINOIS TOOL WORKS (11)· patent assignee history
2000–2021Based in Appleton, WI, US· patent location history
2014–2015Patents assigned to FERKEL STEPHEN P (3)· patent assignee history
2014–2015Patents assigned to LUCK JOHN A (2)· patent assignee history
2015Patents assigned to KOOSMANN GLENN A (1)· patent assignee history
2021Patents assigned to FERKEL STEPHEN PAUL (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ILLINOIS TOOL WORKS112000–2021
FERKEL STEPHEN Pself32014–2015
FERKEL STEPHEN PAULself22021
LUCK JOHN A22014–2015
KOOSMANN GLENN A12015
Locations
LocationPatentsSpan
Appleton, WI, US112000–2021