Inventor

Irving Erlichman

Inventor

Wayland, MA, US

Overview

24→

Patents

1976–1990

Patent span

Performing operations

Primary field (CPC B)

Patents· 24 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them28%

H04NPictorial communication, e.g. television17%

B41MPrinting, duplicating, marking, or copying processes14%

B41JTypewriters8%

Y10TTechnical subjects covered by former us classification8%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%

B24BMachines, devices, or processes for grinding or polishing3%

B29CShaping or joining of plastics3%

PatentTitleYear

4,925,518'Compliant lens blocks and method of using them'1990 4,630,069'Color thermal transfer recording system and ribbon'1986 4,603,337'Thermal transfer recording medium'1986 4,596,993'Thermal recording system and method'1986 4,596,991'Thermal recording medium and method'1986 4,556,892'Thermal transfer recording system and method'1985 4,547,784'Thermal recording system and method'1985 4,371,075'Modular production line unit and system'1983 4,359,149'Accumulator for use with modular production line units'1982 4,262,301'Electronic imaging camera'1981 4,201,457'Photographic film assemblage having interconnected film units'1980 4,200,379'Exposure control system including blade sensing follow focus and trim arrangement'1980 4,198,135'Method and apparatus for releasing processing fluid from a fluid applicator by application of thermal energy'1980 4,196,987'Multiple mode exposure control system with gray code aperture selector'1980 4,188,105'Battery containing film cassette wherein removal of last sheet insulates contacts'1980 4,178,598'Transfer or recording sheet having a textured surface'1979 4,161,749'Printer for producing print of an electronically recorded image'1979 4,130,357'Flexible shutter for photographic camera'1978 4,124,858'Photographic camera having independent viewfinder and reflex focusing system'1978 4,008,302'Method of molding plastic elements on a continuous web'1977 3,993,508'Method for manufacturing flat batteries'1976 3,977,012'Exposure control system employing a blade position sensor'1976 3,950,766'Exposure control system employing blade sensing follow focus arrangement'1976 3,936,847'Shaft drive and control system for automatic camera'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to POLAROID CORP (23)· patent assignee history

1976–1990Based in Wayland, MA, US· patent location history

1990Patents assigned to ERLICHMAN IRVING (1)· patent assignee history

1990Patents assigned to WASSERMAN NELSON M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
POLAROID CORP	23	1976–1986
ERLICHMAN IRVINGself	1	1990
WASSERMAN NELSON M	1	1990

Locations

Location	Patents	Span
Wayland, Massachusetts, US	24	1976–1990