Patents Represented by Attorney David B. Kirschstein

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  • Siren
    Patent number: D248152
    Type: Grant
    Filed: August 19, 1976
    Date of Patent: June 13, 1978
    Assignee: Carolina Enterprises, Inc.
    Inventor: Hank Hastings
  • Inflatable educational toy
    Patent number: D248686
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: July 25, 1978
    Inventor: Sheldon Greenberg
  • Swivel swag hook
    Patent number: D249327
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: September 12, 1978
    Assignee: Allen-Stevens Corp.
    Inventor: Stanley Gaines
  • Typewriter
    Patent number: D252153
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: June 19, 1979
    Assignee: Dobson Park Industrial Products Ltd.
    Inventor: Robin P. Boot
  • Typewriter
    Patent number: D252154
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: June 19, 1979
    Assignee: Dobson Park Industrial Products Ltd.
    Inventor: Robin P. Boot
  • Typewriter
    Patent number: D252171
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: June 19, 1979
    Assignee: Dobson Park Industrial Products Ltd.
    Inventor: Robin P. Boot
  • Simulative driving toy
    Patent number: D257780
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: January 6, 1981
    Assignee: Shelcore, Inc.
    Inventor: Manfred Strauss