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Inventor

Billy J. Tompkins

Inventor
Russelville, AL, US

Overview

3→
Patents
2001–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels33%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
6,765,720'Glass microspheres for use in films and projection screen displays'2004RE038245'Glass microspheres for use in films and projection screen displays and methods'20036,204,971'Glass microspheres for use in films and projection screen displays and methods'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2004Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history
2001–2004Based in Russelville, AL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO32001–2004
Locations
LocationPatentsSpan
Russelville, AL, US32001–2004