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Inventor

David B. Spaulding

Inventor
Carlisle, MA, US

Overview

3→
Patents
1976–1980
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

B65Bprimary
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials20%
F23BMethods or apparatus for combustion using only solid fuel20%
F23GCremation furnaces20%
F24DDomestic- or space-heating systems, e.g. central heating systems20%
G08GTraffic control systems20%
PatentTitleYear
4,213,404'Solid refuse furnace'19804,079,322'Automatic vehicle monitoring system'19783,943,031'Laminating apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to SEAL (1)· patent assignee history
1976–1978Based in Carlisle, MA, US· patent location history
1978Patents assigned to NOVATEK INC (1)· patent assignee history
1980Patents assigned to ENERGY ALTERNATIVES INC (1)· patent assignee history
1980Based in Winchester, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENERGY ALTERNATIVES INC11980
NOVATEK INC11978
SEAL11976
Locations
LocationPatentsSpan
Carlisle, Massachusetts, US21976–1978
Winchester, Massachusetts, US11980