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Inventor

William G. Harvey

Inventor
Glendale, AZ, US

Overview

2→
Patents
1989–1990
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E03Dprimary
E03DWater-closets or urinals with flushing devices40%
E03FSewers40%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
4,911,832'Automatic drain system treatment apparatus'19904,797,208'Automatic drain system treatment process'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to GREASE GENIE INC (2)· patent assignee history
1989–1990Based in Glendale, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GREASE GENIE INC21989–1990
Locations
LocationPatentsSpan
Glendale, AZ, US21989–1990