Inventor

Tommy Chang

Inventor
Niles, IL, US

Overview

2→
Patents
1979–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 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 fencing50%
H04WWireless communication networks50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to CHANG TOMMY J C (1)· patent assignee history
1979Based in Taipei, TW· patent location history
2013Patents assigned to ADATRAO RAVI M (1)· patent assignee history
2013Patents assigned to CHANG TOMMY (1)· patent assignee history
2013Patents assigned to KARNAM PRAMOD (1)· patent assignee history
2013Patents assigned to MATHUR APURV (1)· patent assignee history
2013Based in Niles, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ADATRAO RAVI M12013
CHANG TOMMYself12013
CHANG TOMMY J Cself11979
KARNAM PRAMOD12013
MATHUR APURV12013
Locations
LocationPatentsSpan
Niles, Illinois, US12013
Taipei, TW11979