Patents Assigned to Johnson & Johnson Dental Products
  • Patent number: 4708650
    Abstract: An applicator for accurately dispensing small amounts of fluids to tooth surfaces, including a handle, a nozzle which includes a reservoir for fluid and a piston member, and a lever, spring, plunger member, whereby activation of the lever forces the plunger against the piston which, in turn, forces fluid out of the reservoir through the nozzle.
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: November 24, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robert D. Holewinski, William J. Blatherwick, Leslie Hamilton, Thomas E. Wells, Sr.
  • Patent number: 4693684
    Abstract: A ratchet-type dispenser for dental materials is disclosed. The ratchet is activated by a drive pawl and is prevented from returning by a detent pawl. The drive pawl and detent pawl are activated by the same lever arm.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: September 15, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski, Virginia A. Shen, Jeffrey Kapec, Kazuna Tanaka
  • Patent number: 4681538
    Abstract: The adhesion of crystalline alumina to adhesives is enhanced by coating the surface of the alumina that is to be in contact with the adhesive, with a very thin coating of a siliceous material such as sputter coated silica.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: July 21, 1987
    Assignee: Johnson & Johnson Dental Products, Company
    Inventors: Robert D. DeLuca, Robin M. Forbes-Jones
  • Patent number: 4639218
    Abstract: There is disclosed an orthodontic bracket including a base member for attaching to a tooth and a body member extending from the base member. The body member includes walls that define an archwire groove. The walls are made of single crystal alumina. Preferably, the entire bracket is made of single crystal alumina, and most preferably, single crystal alpha-alumina or sapphire.
    Type: Grant
    Filed: June 12, 1985
    Date of Patent: January 27, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robin M. F. Jones, Robert D. DeLuca, Carlino Panzera
  • Patent number: 4634561
    Abstract: Process for joining ceramic components in precise spatial relationship which comprises firing the ceramic components joined by a ceramic frit on a sagger tray having a coefficient of thermal expansion that matches that of the ceramic components.
    Type: Grant
    Filed: March 22, 1985
    Date of Patent: January 6, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventor: Robert D. DeLuca
  • Patent number: D287821
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: January 20, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robert D. Holewinski, Leslie Hamilton, William J. Blatherwick
  • Patent number: D287874
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: January 20, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski
  • Patent number: D287877
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: January 20, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robert D. Holewinski, Edward A. Weissenburger, William J. Blatherwick
  • Patent number: D288233
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: February 10, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski
  • Patent number: D288234
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: February 10, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski
  • Patent number: D288481
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: February 24, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robert D. Holewinski, Leslie Hamilton, William J. Blatherwick
  • Patent number: D288482
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: February 24, 1987
    Assignee: Johnson & Johnson Dental Products
    Inventors: William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski
  • Patent number: D288606
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: March 3, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski
  • Patent number: D289329
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: April 14, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventor: Derek Evans
  • Patent number: D289974
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: May 26, 1987
    Assignee: Johnson & Johnson Dental Products Co.
    Inventors: Leslie Hamilton, Robert D. Holewinski, William J. Blatherwick
  • Patent number: D291534
    Type: Grant
    Filed: March 22, 1985
    Date of Patent: August 25, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Leslie Hamilton, Robert D. Holewinski
  • Patent number: D292528
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: October 27, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventor: Edward A. Weissenburger
  • Patent number: D293024
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: December 1, 1987
    Assignee: Johnson & Johnson Dental Products, Company
    Inventors: Robert D. Holewinski, Leslie Hamilton
  • Patent number: D294520
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: March 1, 1988
    Assignee: Johnson & Johnson Dental Products, Company
    Inventors: Robert D. Holewinski, Leslie Hamilton
  • Patent number: D295956
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: May 31, 1988
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robert D. Holewinski, Leslie Hamilton