Inventor

David Grigsby

Inventor
Medway, OH, US

Overview

2→
Patents
1980–2000
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A23Cprimary
A23CDairy products, e.g. milk, butter or cheese50%
H02KDynamo-electric machines50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to GRIGSBY CHARLES O (1)· patent assignee history
1980Patents assigned to GRIGSBY DAVID R (1)· patent assignee history
1980Based in Pittsfield, IL, US· patent location history
2000Patents assigned to ODAWARA AUTOMATION INC (1)· patent assignee history
2000Based in Medway, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GRIGSBY CHARLES O11980
GRIGSBY DAVID Rself11980
ODAWARA AUTOMATION INC12000
Locations
LocationPatentsSpan
Medway, OH, US12000
Pittsfield, Illinois, US11980