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Inventor

Christopher N. Sears

Inventor
Shady Side, MD, US

Overview

2→
Patents
1991
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B63Gprimary
B63GOffensive or defensive arrangements on vessels25%
B63HMarine propulsion or steering25%
G01SRadio direction-finding25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,047,990'Underwater acoustic data acquisition system'19915,028,210'Propeller unit with controlled cyclic and collective blade pitch'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to US NAVY (2)· patent assignee history
1991Based in Shady Side, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US NAVY21991
Locations
LocationPatentsSpan
Shady Side, Maryland, US21991