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Inventor

John Littleboy

Inventor
San Francisco, CA, US

Overview

2→
Patents
1997–1998
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Cprimary
G01CMeasuring distances, levels or bearings100%
PatentTitleYear
5,720,112'Asymmetrical plumb bob and method'1998D0377454'Plumb bob'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to DWBH VENTURES LTD (2)· patent assignee history
1997–1998Based in San Francisco, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DWBH VENTURES LTD21997–1998
Locations
LocationPatentsSpan
San Francisco, California, US21997–1998