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Inventor

Harold E. Mann

Inventor
Phoenix, AZ, US

Overview

2→
Patents
1987–1992
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.

A01Gprimary
A01GHorticulture33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
H04NPictorial communication, e.g. television33%
PatentTitleYear
5,087,886'Rain-activated sprinkler shut-off system'19924,654,705'Two channel audio scrambling system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to ZENITH ELECTRONICS CORP (1)· patent assignee history
1987Based in Skokie, IL, US· patent location history
1992Patents assigned to MANN HAROLD E (1)· patent assignee history
1992Based in Phoenix, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MANN HAROLD Eself11992
ZENITH ELECTRONICS CORP11987
Locations
LocationPatentsSpan
Phoenix, AZ, US11992
Skokie, Illinois, US11987