Inventor

Michael Bruce Christopher Irwin

Inventor

Pembroke, CA

Overview

1998–2017

Patent span

Physics

Primary field (CPC G)

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

G01Kprimary

G01KMeasuring temperature27%

F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons18%

LOC1018%

F41GWeapon sights9%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves9%

G01VGeophysics9%

G08BSignalling systems, e.g. personal calling systems9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to HEADWATERS RES & DEVELOPMENT INC (2)· patent assignee history

1998–2005Based in Pembroke, CA· patent location history

2001Patents assigned to HEADWATERS RES & DEV INC (2)· patent assignee history

2003Patents assigned to CUSTOM SHOOTING TECHNOLOGIES I (1)· patent assignee history

2003Based in Jackson, SC, US· patent location history

2005Patents assigned to HEADWATER R & D INC (1)· patent assignee history

2012–2017Patents assigned to IRWIN MICHAEL B (2)· patent assignee history

2012–2017Based in Bagdad, KY, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEADWATERS RES & DEV INC	2	2001
HEADWATERS RES & DEVELOPMENT INC	2	1998
IRWIN MICHAEL Bself	2	2012–2017
CUSTOM SHOOTING TECHNOLOGIES I	1	2003
HEADWATER R & D INC	1	2005

Locations