Patents Represented by Attorney George L. Greenfield
  • Patent number: 6022076
    Abstract: A reclining chair having a base frame (1) supporting a reclining unit (2) by a mechanism having downwardly converging swing links (15 and 16) pivoted at their upper ends at (22 and 23) respectively to the frame, a rigid member (14) pivotally connected to the lower ends of the swing links (15 and 16 at 20 and 21). The rigid member (14) has a link (13) rigidly connected to it which in turn is rigidly connected to the reclining unit (2). The center of gravity of the reclining unit with its occupant is maintained in a substantially horizontal plane as the unit moves from upright to reclined positions.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: February 8, 2000
    Inventor: Ilan Samson
  • Patent number: 5650323
    Abstract: A laboratory research tool for conducting a variety of procedures including cell and tissue culture techniques includes a multi-well cluster plate, a filter plate that has one or more filter wells that extend into the wells of the cluster plate, a cover and a reservoir that can be used with auxiliary equipment designed for use with standard 96-well format cluster plates. The system allows multiple tissue samples to be grown and manipulated simultaneously.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: July 22, 1997
    Assignee: Costar Corporation
    Inventor: David Root
  • Patent number: 4356779
    Abstract: A fluidized-bed system for feeding coal or a coal-limestone mixture into a fluidized bed combustor, a perforated horizontal distributor plate dividing the chamber into upper and lower chamber sections, means for feeding solid fuel particles into the upper chamber section, a source of high velocity gas connected to the lower chamber section and passing through the plate into the upper chamber section for entraining the particles, means for heating the high velocity gas before it is introduced into the upper chamber, an entrainment section defined by converging upper sides of said fuel feeding chamber, and a stream splitting section disposed above said entrainment section and connected to a plurality of pneumatic transport lines each penetrating the distributor plate of a fluidized bed combustor and terminating in an outlet feedport.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: November 2, 1982
    Assignee: Energy Resources Company, Inc.
    Inventors: James H. Porter, Robert Davis, Jehangir Zakaria
  • Patent number: D243362
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: February 8, 1977
    Assignee: Sweetheart Plastics, Inc.
    Inventors: George K. Shumrak, Anthony Mack
  • Patent number: D243705
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: March 15, 1977
    Assignee: Data Packaging Corporation
    Inventor: George F. Lyman
  • Patent number: D245300
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: August 9, 1977
    Assignee: Data Packaging Corporation
    Inventors: Gregory Mathus, George Lyman, David Roche
  • Patent number: D245305
    Type: Grant
    Filed: August 5, 1976
    Date of Patent: August 9, 1977
    Assignee: Data Packaging Corporation
    Inventor: George F. Lyman
  • Patent number: D246945
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: January 17, 1978
    Assignee: Sweetheart Plastics, Inc.
    Inventor: David N. Shore
  • Patent number: D246955
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: January 17, 1978
    Assignee: Sweetheart Plastics, Inc.
    Inventor: Paul Davis
  • Patent number: D247393
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: February 28, 1978
    Assignee: Data Packaging Corporation
    Inventor: Alan Lowry
  • Patent number: D248371
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: July 4, 1978
    Assignee: Sweetheart Plastics, Inc.
    Inventor: Paul Davis
  • Patent number: D249744
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: September 26, 1978
    Assignee: Data Packaging Corporation
    Inventor: George Lyman
  • Patent number: D249802
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: October 3, 1978
    Assignee: Data Packaging Corporation
    Inventor: George F. Lyman