Inventor

Robert L. Shaffer

Inventor

Marietta, GA, US

Overview

1976–2002

Patent span

Human necessities

Primary field (CPC A)

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

A47Jprimary

A47JKitchen equipment14%

A61FFilters implantable into blood vessels14%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing14%

B01DSeparation14%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%

LOC0814%

Y10TTechnical subjects covered by former us classification14%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to ECODYNE CORP (1)· patent assignee history

1976Based in Olathe, KS, US· patent location history

1983–1998Patents assigned to SHAFFER ROBERT L (2)· patent assignee history

1983Patents assigned to HECKMAN RICHARD W (1)· patent assignee history

1983Based in Columbia Station, OH, US· patent location history

1987Patents assigned to VANMARK CORP (1)· patent assignee history

1987Based in Creston, IA, US· patent location history

1998Based in Lancaster, OH, US· patent location history

2002Patents assigned to KIMBERLY CLARK CO (1)· patent assignee history

2002Based in Marietta, GA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations