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Inventor

Dan Williamson

Inventor
Sherwood, OR, US

Overview

3→
Patents
1997–2004
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.

A61Mprimary
A61MDevices for introducing media into, or onto, the body33%
E21BEarth or rock drilling33%
LOC2633%
PatentTitleYear
6,676,630'Needle-free injection system'20045,701,957'Well perforator isolation apparatus and method'1997D0380563'Automotive stop light bulb'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to HALLIBURTON CO (1)· patent assignee history
1997Patents assigned to WILLIAMSON DAN (1)· patent assignee history
1997Based in Anchorage, AK, US· patent location history
1997Based in Council Bluffs, IA, US· patent location history
2004Patents assigned to BIOJECT MEDICAL TECHNOLOGIES I (1)· patent assignee history
2004Based in Sherwood, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BIOJECT MEDICAL TECHNOLOGIES I12004
HALLIBURTON CO11997
WILLIAMSON DANself11997
Locations
LocationPatentsSpan
Sherwood, OR, US12004
Anchorage, AK, US11997
Council Bluffs, IA, US11997