LexDanaLexDanabeta
Inventor

Charles E. Shewey

Inventor
Mundelein, IL, US

Overview

4→
Patents
1987–2017
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties38%
B24BMachines, devices, or processes for grinding or polishing13%
B29CShaping or joining of plastics13%
B30BPresses in general13%
G01KMeasuring temperature13%
G01RMeasuring electric variables13%
PatentTitleYear
9,645,058'Sample encapsulation system and method'20178,574,028'Grinder/polisher'20134,966,538'Mounting press'19904,710,707'High voltage electronic component test apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Based in Mundelein, IL, US· patent location history
1990Patents assigned to BUEHLER LTD (1)· patent assignee history
2013–2017Patents assigned to ILLINOIS TOOL WORKS (2)· patent assignee history
2013Patents assigned to CECKOWSKI DOUGLAS A (1)· patent assignee history
2013Patents assigned to HART MICHAEL F (1)· patent assignee history
2013Patents assigned to SHEWEY CHARLES E (1)· patent assignee history
2013Based in Salem, WI, US· patent location history
2017Based in Lake Bluff, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ILLINOIS TOOL WORKS22013–2017
BUEHLER LTD11990
CECKOWSKI DOUGLAS A12013
HART MICHAEL F12013
SHEWEY CHARLES Eself12013
Locations
LocationPatentsSpan
Mundelein, Illinois, US21987–1990
Lake Bluff, Illinois, US12017
Salem, WI, US12013