LexDanaLexDanabeta
Inventor

John W. Mathews

Inventor
Olathe, KS, US

Overview

3→
Patents
1992–2010
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 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 fencing33%
G09FDisplaying33%
H03KPulse technique33%
PatentTitleYear
7,749,105'Golf club head with insert having indicia therein'20105,182,468'Current limiting clamp circuit'1993D0328012'Combined golfer\'s beverage and scorecard holder'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to MATHEWS WITTE INT INC (1)· patent assignee history
1992Based in Delavan, WI, US· patent location history
1993Patents assigned to IBM (1)· patent assignee history
1993Based in Burlington, VT, US· patent location history
2010Patents assigned to MATHEWS JOHN (1)· patent assignee history
2010Patents assigned to TWIBELL ROGER (1)· patent assignee history
2010Patents assigned to ZIELKE DONOVAN (1)· patent assignee history
2010Based in Olathe, KS, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM11993
MATHEWS JOHNself12010
MATHEWS WITTE INT INC11992
TWIBELL ROGER12010
ZIELKE DONOVAN12010
Locations
LocationPatentsSpan
Olathe, KS, US12010
Burlington, VT, US11993
Delavan, WI, US11992