Inventor

John K. Duncan

Inventor
Solon, OH, US

Overview

3→
Patents
1989–1996
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests38%
A47JKitchen equipment25%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for13%
B01FMixing, e.g. dissolving, emulsifying or dispersing13%
B67DDispensing, delivering or transferring liquids, not otherwise provided for13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to CORNING GLASS WORKS (1)· patent assignee history
1989–1996Based in Solon, OH, US· patent location history
1996Patents assigned to EFFERVESCENT PRODUCTS LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CORNING GLASS WORKS11989
EFFERVESCENT PRODUCTS LLC11996
Locations
LocationPatentsSpan
Solon, OH, US31989–1996