Patents Represented by Attorney Richard D. Mason

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  • Fermentation container
    Patent number: 3946780
    Abstract: A flexible fermentation container which has, in place of the common air lock, a diaphragm having a Gurley porosity of 2 to 120 seconds. The diaphragm material, such as spun bonded polyethylene, allows fermentation gases to pass out of the container, but does not allow bacteria or other contaminants to enter.
    Type: Grant
    Filed: January 4, 1973
    Date of Patent: March 30, 1976
    Inventor: John C. Sellers
  • Record washer or similar article
    Patent number: D243382
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: February 15, 1977
    Assignee: Fidelitone, Inc.
    Inventors: Dana W. Mox, Charles M. Smith, Craig J. Hudson
  • Clock or similar article
    Patent number: D243511
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: March 1, 1977
    Inventor: James O. O'Brien
  • Toy house
    Patent number: D250057
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: October 24, 1978
    Assignee: Marvin Glass & Associates
    Inventors: Howard J. Morrison, Palmer J. Schoenfield
  • Packaging container
    Patent number: D250092
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: October 31, 1978
    Assignee: Marvin Glass & Associates
    Inventors: Palmer J. Schoenfield, Kathy A. Dunn, Howard J. Morrison
  • Toy vehicle
    Patent number: D250611
    Type: Grant
    Filed: July 29, 1977
    Date of Patent: December 19, 1978
    Assignee: Marvin Glass & Associates
    Inventors: Gordon A. Barlow, Alex Imatt
  • Toy boat
    Patent number: D250670
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: December 26, 1978
    Assignee: Marvin Glass & Associates
    Inventor: Alex Imatt
  • Toy vehicle
    Patent number: D251210
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: February 27, 1979
    Assignee: Marvin Glass & Associates
    Inventors: Howard J. Morrison, Palmer J. Schoenfield
  • Electronic game housing
    Patent number: D253786
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: December 25, 1979
    Assignee: Marvin Glass & Associates
    Inventor: Douglas P. Montague