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Inventor

Chad W. Hahn

Inventor
Boyd, MN, US

Overview

2→
Patents
2007–2009
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.

B65Gprimary
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors67%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials33%
PatentTitleYear
7,533,768'Retractable transfer device metering apparatus and methods'20097,156,607'Carton stacking apparatus and method'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2009Patents assigned to DOUGLAS MACHINE INC (2)· patent assignee history
2007Based in Alexandria, MN, US· patent location history
2009Based in Boyd, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOUGLAS MACHINE INC22007–2009
Locations
LocationPatentsSpan
Boyd, Minnesota, US12009
Alexandria, Minnesota, US12007