LexDanaLexDanabeta
Inventor

Jeffrey K. Parkinson

Inventor
Dacula, GA, US

Overview

2→
Patents
1990–1998
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.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes33%
A61QSpecific use of cosmetics or similar toiletry preparations33%
C04BLime, magnesia33%
PatentTitleYear
5,786,389'Guerbet castor esters'19984,975,122'Water resistant cemetitious materials'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to SILTECH INC (1)· patent assignee history
1990Based in Lawrenceville, GA, US· patent location history
1998Patents assigned to HANSON CO (1)· patent assignee history
1998Patents assigned to LAMBERT TECHNOLOGIES INC (1)· patent assignee history
1998Based in Dacula, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HANSON CO11998
LAMBERT TECHNOLOGIES INC11998
SILTECH INC11990
Locations
LocationPatentsSpan
Dacula, Georgia, US11998
Lawrenceville, Georgia, US11990