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Inventor

Vance P. Gregory, Jr.

Inventor
Wheaton, IL, US

Overview

3→
Patents
1997–1998
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes19%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing19%
B41JTypewriters13%
B42DBooks13%
B44FSpecial designs or pictures13%
G09FDisplaying13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,826,915'Method of using thermochromic material on security documents and product'19985,644,352'Multicolor heat-sensitive verification and highlighting system'19975,618,063'Multicolor heat-sensitive verification and highlighting system'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to WALLACE COMPUTER SERVICES (3)· patent assignee history
1997–1998Based in Wheaton, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WALLACE COMPUTER SERVICES31997–1998
Locations
LocationPatentsSpan
Wheaton, Illinois, US31997–1998