HL

Henricus J. Ligthart

U.S. Philips: 8 patents #426 of 8,851Top 5%
Philips: 1 patents #3,761 of 7,731Top 50%
Overall (All Time): #587,071 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6509679 Tension mask and frame with mechanical connection means Piet C. J. Van Rens 2003-01-21
6048670 Powder-blasting method Joseph C. M. Bosman, Harm Tolner, Franciscus C. M. De Haas 2000-04-11
6036584 Blast system Petrus H. W. Swinkels, Maarten H. Zonneveld 2000-03-14
5818318 Magnetic clamping device Petrus H. W. Swinkels, Jakob Vijfvinkel 1998-10-06
5811921 Thin-panel display having resistive spacer plate Jan W. Kleine, Harm Tolner, Hermanus N. Tuin 1998-09-22
5800231 Method of providing a pattern of apertures and/or cavities in a plate of non-metallic material Franciscus C. M. De Haas, Franciscus M. H. Van Laarhoven, Johannus M.E. Van Laarhoven, Petrus H. W. Swinkels, Johannes G. Van Beek 1998-09-01
5730635 Method of providing a pattern of apertures and/or cavities in a plate of non-metallic material Franciscus C. M. De Haas, Franciscus M. H. Van Laarhoven, Johannus M.E. Van Laarhoven, Petrus H. W. Swinkels, Johannes G. Van Beek 1998-03-24
5525873 Picture display device comprising a flat-panel type display unit Nicolaas Lambert, Siebe Tjerk De Zwart, Petrus H. F. Trompenaars, Gerardus G. P. Van Gorkom 1996-06-11
5151605 Method of irradiating an object by means of a charged particle beam, and device for performing the method Jarig Politiek 1992-09-29