LexDanaLexDanabeta
Inventor

William F. Clack

Inventor
Stow, MA, US

Overview

2→
Patents
1989–1998
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H03Gprimary
H03GControl of amplification25%
H04BTransmission25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
H04SStereophonic systems25%
PatentTitleYear
5,708,719'In-home theater surround sound speaker system'19984,809,337'Audio noise gate'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to SCHOLZ RESEARCH & DEV INC (1)· patent assignee history
1989Based in Waltham, MA, US· patent location history
1998Patents assigned to REP INVESTMENT LIMITED LIABILI (1)· patent assignee history
1998Based in Stow, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
REP INVESTMENT LIMITED LIABILI11998
SCHOLZ RESEARCH & DEV INC11989
Locations
LocationPatentsSpan
Stow, Massachusetts, US11998
Waltham, Massachusetts, US11989