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Inventor

Dorothy K. Keefer

Inventor
Walnut Creek, CA, US

Overview

2→
Patents
1988–1992
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 cheese33%
A23GCocoa33%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for33%
PatentTitleYear
5,164,212'Method for coloring fruits and vegetables with anthraquinones and product'19924,748,026'Process for production of a no-starch shelf stable yogurt product'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to NABISCO BRANDS INC (1)· patent assignee history
1988–1992Based in Walnut Creek, CA, US· patent location history
1992Patents assigned to DEL MONTE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEL MONTE CORP11992
NABISCO BRANDS INC11988
Locations
LocationPatentsSpan
Walnut Creek, California, US21988–1992