Inventor

Irving H. Holden

Inventor

Boca Raton, FL, US

Overview

15→

Patents

1985–2000

Patent span

Electricity

Primary field (CPC H)

Patents· 15 as inventor

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

G08Bprimary

G08BSignalling systems, e.g. personal calling systems23%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers23%

H04MTelephonic communication13%

H04BTransmission10%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general6%

E05CBolts or fastening devices for wings, specially for doors or windows3%

G10HElectrophonic musical instruments3%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%

H01RElectrically-conductive connections3%

H02JElectric power networks3%

PatentTitleYear

6,023,515'Mass excited acoustic device'2000 5,825,297'Taut armature reciprocating impulse transducer'1998 5,708,726'Taut armature resonant impulse transducer'1998 5,552,562'Inertial acoustic pickup'1996 5,546,069'Taut armature resonant impulse transducer'1996 5,524,061'Dual mode transducer for a portable receiver'1996 5,379,032'Impulse transducer enunciator'1995 5,327,120'Stabilized electromagnetic resonant armature tactile vibrator'1994 5,307,508'Shock isolation for selective call receivers'1994 5,107,540'Electromagnetic resonant vibrator'1992 5,023,504'Piezo-electric resonant vibrator for selective call receiver'1991 4,719,322'Radio housing and expandable chassis with integral keypad and acoustic speaker seal'1988 4,602,311'Static protective housing'1986 4,583,774'Battery door latching mechanism'1986 4,545,639'Movable electrical contact capable of accommodating devices exhibiting a plurality of different sizes'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2000Patents assigned to MOTOROLA INC (15)· patent assignee history

1985–2000Based in Boca Raton, FL, US· patent location history

1994Based in West Palm Beach, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOTOROLA INC	15	1985–2000

Locations

Location	Patents	Span
Boca Raton, Florida, US	14	1985–2000
West Palm Beach, Florida, US	1	1994