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Inventor

Douglas M. Bruce

Inventor
Cedar Rapids, IA, US

Overview

3→
Patents
1991–1997
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.

A61Bprimary
A61BDiagnosis29%
A01BSoil working in agriculture or forestry14%
A01CPlanting14%
A61MDevices for introducing media into, or onto, the body14%
G01SRadio direction-finding14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
5,646,846'Global positioning planter system'19975,299,559'Endoscope with overload protective device'19945,076,279'Needle guide for assembly upon an ultrasound imaging transducer'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1994Patents assigned to ACUSON (2)· patent assignee history
1991Based in Santa Clara, CA, US· patent location history
1994Based in Santa Cruz, CA, US· patent location history
1997Patents assigned to RAWSON CONTROL SYSTEMS (1)· patent assignee history
1997Based in Cedar Rapids, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACUSON21991–1994
RAWSON CONTROL SYSTEMS11997
Locations
LocationPatentsSpan
Cedar Rapids, IA, US11997
Santa Cruz, California, US11994
Santa Clara, California, US11991