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Inventor

Douglas James Spenner

Inventor
Mt. Pleasant, IA, US

Overview

3→
Patents
1999
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

LOC25primary
LOC2533%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers17%
E04CStructural elements17%
E04GScaffolding17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
D0416631'Reinforcing bar protection cap'1999D0416630'Reinforcing bar protection cap'19995,884,443'Concrete reinforcing bar protective cover'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to LOMONT MOLDING INC (3)· patent assignee history
1999Based in Mt. Pleasant, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LOMONT MOLDING INC31999
Locations
LocationPatentsSpan
Mt. Pleasant, IA, US31999