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Inventor

Donald Szopinski

Inventor
Hartland, WI, US

Overview

2→
Patents
1991–2009
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines20%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof20%
F16FSprings20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
7,628,387'Engine air/fuel mixing apparatus'20095,038,727'Engine balancing system having freely rotatable single counterbalance weight'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2009Patents assigned to BRIGGS & STRATTON CORP (2)· patent assignee history
1991–2009Based in Hartland, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIGGS & STRATTON CORP21991–2009
Locations
LocationPatentsSpan
Hartland, WI, US21991–2009