LexDanaLexDanabeta
Inventor

Stanley Collins

Inventor
Greenfield, TN, US

Overview

2→
Patents
2003–2004
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.

A63Fprimary
A63FCard, board, or roulette games33%
E02FDredging33%
G09BEducational or demonstration appliances33%
PatentTitleYear
6,789,336'Laterally adjustable, low profile trench-digging machine'20046,619,661'Jigsaw puzzles for practicing arithmetic'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Based in Eugene, OR, US· patent location history
2004Based in Greenfield, TN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Locations
LocationPatentsSpan
Greenfield, TN, US12004
Eugene, OR, US12003