LexDanaLexDanabeta
Inventor

Ronald D. Lemke

Inventor
Huron, OH, US

Overview

4→
Patents
1977–1997
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A21Bprimary
A21BBakers' ovens40%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages20%
A47JKitchen equipment20%
LOCD220%
PatentTitleYear
5,657,686'Method and apparatus for controlling floor temperature in an oven'19975,609,095'High performance cooking oven with steam chamber'19974,940,040'Adjustable cooking oven'1990D0244375'Evaporator casing of a bus air-conditioner'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to THERMO KING CORP (1)· patent assignee history
1977Based in St. Paul, MN, US· patent location history
1990–1997Patents assigned to STEIN INC (3)· patent assignee history
1990–1997Based in Huron, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STEIN INC31990–1997
THERMO KING CORP11977
Locations
LocationPatentsSpan
Huron, OH, US31990–1997
St. Paul, Minnesota, US11977