Inventor

Leonard G. Rich

Inventor

West Hartford, CT, US

Overview

23→

Patents

1976–2003

Patent span

Performing operations

Primary field (CPC B)

Patents· 23 as inventor

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

B41Jprimary

B41JTypewriters16%

B26DCutting10%

Y10TTechnical subjects covered by former us classification10%

G05BControl or regulating systems in general8%

A24CMachines for making cigars or cigarettes6%

G06TImage data processing or generation, in general6%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%

B24BMachines, devices, or processes for grinding or polishing4%

B26FPerforating4%

B44CProducing decorative effects4%

PatentTitleYear

6,646,410'Method and apparatus for the improved control of motors and of motor-actuated work apparatus'2003 6,269,995'Friction drive apparatus for strip material'2001 6,206,263'Material advance tracking system'2001 5,466,501'Sign making web with tack killing overcoat removable by washing and related method'1995 5,344,680'Sign making web with tack killing overcoat removable by washing and related method'1994 5,156,089'Method and apparatus for making a painting screen using an ink jet printer for printing a graphic on the screen emulsion'1992 5,042,935'Blanks for making prescription eyeglass lenses'1991 4,989,316'Method and apparatus for making prescription eyeglass lenses'1991 4,700,205'Hydraulic servomechanism for controlling the pressure of writing fluid in an ink jet printing system'1987 4,651,161'Dynamically varying the pressure of fluid to an ink jet printer head'1987 4,599,626'Ink drop ejecting head'1986 4,580,914'Apparatus and method for positioning an ink-jet printing head'1986 4,575,730'Ink jet printing randomizing droplet placement apparatus'1986 4,562,445'Apparatus and method for driving ink jet printer'1985 4,380,944'Method for cutting sheet material with variable gain closed loop'1983 4,363,330'Method, system and apparatus for cutting profiles from natural leaves'1982 4,331,051'Apparatus for cutting sheet material with variable gain closed loop'1982 4,296,405'Device for converting analog signals from a natural leaf scanner into digital signals and method of operating same'1981 4,205,914'Device for creating digital signals representative of a natural leaf profile'1980 4,170,745'Lamp flashing circuit for line generating photoexposure device'1979 4,032,784'Method and apparatus for examining a body by a beam of X-rays or other penetrating radiation'1977 3,982,165'Apparatus for digitizing and plotting'1976 3,936,712'Interactive graphic system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to GERBER SCIENTIFIC INSTR CO (3)· patent assignee history

1976–2003Based in West Hartford, CT, US· patent location history

1980–1982Patents assigned to GULF & WESTERN CORP (3)· patent assignee history

1982–1983Patents assigned to GERBER GARMENT TECHNOLOGY INC (2)· patent assignee history

1985–1987Patents assigned to METROMEDIA INC (5)· patent assignee history

1991–2003Patents assigned to GERBER SCIENT PRODUCTS INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GERBER SCIENT PRODUCTS INC	7	1991–2003
METROMEDIA INC	5	1985–1987
GERBER SCIENTIFIC INSTR CO	3	1976–1977
GULF & WESTERN CORP	3	1980–1982
GERBER GARMENT TECHNOLOGY INC	2	1982–1983

Locations

Location	Patents	Span
West Hartford, CT, US	23	1976–2003