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Inventor

Richard L. Schapker

Inventor
North Andover, MA, US

Overview

3→
Patents
1976–1989
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

A47Bprimary
A47BTables14%
E04DRoof coverings14%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light14%
G11BInformation storage based on relative movement between record carrier and transducer14%
H10NElectric solid-state devices not otherwise provided for14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
4,859,007'Interlocking disk storage with sliding-dispersed access'19894,009,516'Pyroelectric detector fabrication'19773,939,616'Rain water run-off disperser'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to SCHAPKER RICHARD L (2)· patent assignee history
1976–1989Based in North Andover, MA, US· patent location history
1977Patents assigned to HONEYWELL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHAPKER RICHARD Lself21976–1989
HONEYWELL INC11977
Locations
LocationPatentsSpan
North Andover, Massachusetts, US31976–1989