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Inventor

David J. Gilman

Inventor
San Francisco, CA, US

Overview

3→
Patents
1994–1999
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing50%
G01SRadio direction-finding50%
PatentTitleYear
5,993,357'Neck exercise apparatus'19995,448,773'Long life portable global position system receiver'1995D0344942'Hand-held navigational unit'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to TRIMBLE NAVIGATION LTD (2)· patent assignee history
1994–1995Based in San Francisco, CA, US· patent location history
1999Based in Mill Valley, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TRIMBLE NAVIGATION LTD21994–1995
Locations
LocationPatentsSpan
San Francisco, California, US21994–1995
Mill Valley, California, US11999