Inventor

John Zouzoulas

Inventor
West Chester, PA, US

Overview

19→
Patents
1977–1997
Patent span
Physics
Primary field (CPC G)

Patents· 19 as inventor

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

G07Fprimary
G07FCoin-freed or like apparatus21%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables13%
F16KValves11%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing11%
F16DCouplings for transmitting rotation8%
F16HGearing8%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load5%
G06KGraphical data reading5%
Y10TTechnical subjects covered by former us classification5%
E05FDevices for moving wings into open or closed position3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to PHILADELPHIA GEAR CORP (2)· patent assignee history
1977Based in King of Prussia, PA, US· patent location history
1981–1986Patents assigned to ANDCO ACTUATOR PRODUCTS INC (4)· patent assignee history
1981–1983Based in Williamsville, NY, US· patent location history
1986–1988Based in Havertown, PA, US· patent location history
1988–1997Patents assigned to MARS INC (13)· patent assignee history
1988–1997Based in West Chester, PA, US· patent location history
1989Based in Westchester, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MARS INC131988–1997
ANDCO ACTUATOR PRODUCTS INC41981–1986
PHILADELPHIA GEAR CORP21977
Locations
LocationPatentsSpan
West Chester, Pennsylvania, US111988–1997
Williamsville, New York, US31981–1983
Havertown, Pennsylvania, US21986–1988
King of Prussia, Pennsylvania, US21977
Westchester, Pennsylvania, US11989