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Inventor

Marten Bultman

Inventor
Peewee Valley, KY, US

Overview

2→
Patents
1987–1991
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.

B65Gprimary
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors100%
PatentTitleYear
5,042,647'Overlapping, non-leaking conveyor slat for dry bulk materials'19914,708,238'Cleated channel belt conveyor'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to GRIFFIN & CO (2)· patent assignee history
1987Based in Crestwood, KY, US· patent location history
1991Based in Peewee Valley, KY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GRIFFIN & CO21987–1991
Locations
LocationPatentsSpan
Peewee Valley, KY, US11991
Crestwood, KY, US11987