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Inventor

Roger L. Hoffman

Inventor
Louisville, KY, US

Overview

4→
Patents
1990–1996
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.

A47Lprimary
A47LDomestic washing or cleaning38%
D06FLaundering, drying, ironing, pressing or folding textile articles25%
F01DNon-positive displacement machines or engines, e.g. steam turbines13%
F04DNon-positive-displacement pumps13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,560,060'System and method for adjusting the operating cycle of a cleaning appliance'19965,449,011'Dish washing machine with improved wash mechanism'19955,320,120'Dishwasher with dual pumps'19944,923,366'Reversible turbine pump'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1996Patents assigned to GEN ELECTRIC (4)· patent assignee history
1990–1996Based in Louisville, KY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC41990–1996
Locations
LocationPatentsSpan
Louisville, KY, US41990–1996