Inventor

Frank Bader

Inventor
Algonquin, IL, US

Overview

3→
Patents
1984–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C23Fprimary
C23FNon-mechanical removal of metallic material from surface17%
C25FProcesses for the electrolytic removal of materials from objects17%
G03DApparatus for processing exposed photographic materials17%
G06FElectric digital data processing17%
H01HElectric switches17%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to AT & T BELL LAB (1)· patent assignee history
1984Based in Bexley, OH, US· patent location history
1997Patents assigned to AIR TECHNOLOGIES INC (1)· patent assignee history
1997Based in Port Jefferson, NY, US· patent location history
2020Patents assigned to MENTOR GRAPHICS CORP (1)· patent assignee history
2020Based in Algonquin, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIR TECHNOLOGIES INC11997
AT & T BELL LAB11984
MENTOR GRAPHICS CORP12020
Locations
LocationPatentsSpan
Algonquin, Illinois, US12020
Port Jefferson, New York, US11997
Bexley, OH, US11984