David B. Pearson

Person

Raritan, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Door closing system
- Patent number 5,377,785
- Issue date Jan 3, 1995
- Inventio AG
- David B. Pearson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Apparatus for attaching elevator guide rails to elevator shaft walls
- Patent number 5,316,108
- Issue date May 31, 1994
- Inventio AG
- David B. Pearson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Load measuring apparatus for an elevator car
- Patent number 5,306,879
- Issue date Apr 26, 1994
- Inventio AG
- David B. Pearson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator hoistway door interlock
- Patent number 4,840,254
- Issue date Jun 20, 1989
- Westinghouse Electric Corp.
- David B. Pearson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Instrument moving element with severable bridge
- Patent number 4,238,731
- Issue date Dec 9, 1980
- Sangamo Weston, Inc.
- David B. Pearson
- G01 - MEASURING TESTING
Information Patent Grant
Panel mounting for electrical device
- Patent number 4,080,570
- Issue date Mar 21, 1978
- Sangamo Weston, Inc.
- David B. Pearson
- G01 - MEASURING TESTING
Information Patent Grant
Meter construction
- Patent number 4,024,472
- Issue date May 17, 1977
- Weston Instruments, Inc.
- Julius Nador
- G01 - MEASURING TESTING
Information Patent Grant
Panel meter with adapter cover
- Patent number 3,997,840
- Issue date Dec 14, 1976
- Weston Instruments, Inc.
- David B. Pearson
- G01 - MEASURING TESTING
Information Patent Grant
Moving coil instrument having electrically conductive coil form par...
- Patent number 3,983,478
- Issue date Sep 28, 1976
- Weston Instruments, Inc.
- David B. Pearson
- G01 - MEASURING TESTING

David B. Pearson

Person

Patents Grantslast 30 patents

Door closing system

Apparatus for attaching elevator guide rails to elevator shaft walls

Load measuring apparatus for an elevator car

Elevator hoistway door interlock

Instrument moving element with severable bridge

Panel mounting for electrical device

Meter construction

Panel meter with adapter cover

Moving coil instrument having electrically conductive coil form par...