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Inventor

David S. Klis

Inventor
Minneapolis, MN, US

Overview

3→
Patents
1981–2003
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.

A01Bprimary
A01BSoil working in agriculture or forestry20%
A01DHarvesting20%
F16DCouplings for transmitting rotation20%
G05GControl devices or systems insofar as characterised by mechanical features only20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
6,588,191'Method for providing grooved roller with variable shoulders'20034,294,339'Clutch assembly'19814,246,803'Traction control mechanism for hydrostatic transmission'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2003Patents assigned to TORO CO (2)· patent assignee history
1981Patents assigned to KLIS DAVID S (1)· patent assignee history
1981Patents assigned to PETERSEN WALTER J (1)· patent assignee history
1981Based in Minneapolis, MN, US· patent location history
2003Based in Plymouth, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TORO CO21981–2003
KLIS DAVID Sself11981
PETERSEN WALTER J11981
Locations
LocationPatentsSpan
Minneapolis, Minnesota, US21981
Plymouth, Minnesota, US12003