Inventor

John M. Clark

Inventor

Osseo, MI, US

Overview

5→

Patents

1999–2005

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B29Cprimary

B29CShaping or joining of plastics33%

A01GHorticulture11%

A45FTravelling or camp equipment: sacks or packs carried on the body11%

B23PMetal-working not otherwise provided for11%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%

E04HBuildings or like structures for particular purposes11%

Y10TTechnical subjects covered by former us classification11%

PatentTitleYear

6,872,353'Method of molding using compact molding apparatus'2005 6,638,046'Compact molding apparatus and method'2003 6,626,659'Injection molding method and apparatus having improved detachable clamping unit with horizontal booking dies'2003 6,167,608'Tank upgrading method and tank assembly'2001 5,881,495'Multi-purpose turf stake and combination turf stake and frame construction assembly'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2005Patents assigned to ROLL TECH INC (4)· patent assignee history

1999Based in Reading, MI, US· patent location history

2001Patents assigned to XERXES CORP (1)· patent assignee history

2001Based in Conroe, TX, US· patent location history

2003–2005Patents assigned to LIBBEY OWENS FORD CO (3)· patent assignee history

2003–2005Based in Osseo, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROLL TECH INC	4	1999–2005
LIBBEY OWENS FORD CO	3	2003–2005
XERXES CORP	1	2001

Locations

Location	Patents	Span
Osseo, MI, US	3	2003–2005
Conroe, Texas, US	1	2001
Reading, MI, US	1	1999