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Inventor

Michael Callahan

Inventor
Chicago, IL, US

Overview

2→
Patents
2001–2011
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.

A47Cprimary
A47CChairs50%
LOC0250%
PatentTitleYear
D0637796'Hat, scarf and mittens ensemble'20116,173,463'Cot accessory'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to CABELAS INC (1)· patent assignee history
2001Based in Sidney, NE, US· patent location history
2011Patents assigned to CALLAHAN MARIA (1)· patent assignee history
2011Patents assigned to CALLAHAN MICHAEL (1)· patent assignee history
2011Based in Chicago, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CABELAS INC12001
CALLAHAN MARIA12011
CALLAHAN MICHAELself12011
Locations
LocationPatentsSpan
Chicago, Illinois, US12011
Sidney, NE, US12001