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	Browse inventors by last name: Page , Charles High-voltage induction coil Painter , William Bottle cap Pall , David Boris Leukocyte Reduction Filter Device and Method for Depletion of the Leukocyte Content of Blood and . . . . Palmaz , Julio Intravascular Stent Parker , Louis W. Television Louis W. Parker invented the intercarrier sound system for television . . . . Parkinson , Bradford Global Positioning System Parsons , John T. Numerical Control John Parsons changed the control of machines and industrial processes . . . . Pasteur , Louis Pasteurization French chemist Louis Pasteur was the founder of microbiological scienc . . . . Patel , C. Kumar N. Carbon Dioxide Laser Operating Upon a Vibrational-Rotational Transition Kumar Patel invented the carbon dioxide laser in the early 1960s while . . . . Paul , Les Solid-Body Electric Guitar His innovations led to his first solid-body electric guitar in 1941. C . . . . Pearson , Gerald L. Silicon Solar Cell Silicon Solar Cell Pelton , Lester Waterwheel Phillips , Henry Screw The significance of the crosshead or Phillips screw lies in its self-c . . . . Pickering , Thomas R. Improved Velocipede Pierce , John Communications Satellite In 1936, Pierce joined Bell Telephone Laboratories in Murray Hill, New . . . . Pincus , Gregory G. Oral Contraceptive Plank , Charles J. Catalytic Cracking Charles J. Plank and Edward J. Rosinski invented the first zeolite cat . . . . Plunkett , Roy J. Teflon Chemist Roy J. Plunkett discovered tetrafluoroethylene resin while researching refrigerants at . . . . Poulsen , Valdemar Method of Recording and Reproducing Sounds or Signals Danish engineer Valdemar Poulsen demonstrated magnetic recording in 18 . . . . Pullman , George Pullman car Pupin , Michael Apparatus for Reducing Attenuation of Electrical Waves Michael Pupin, born Mihailo Pupin, was a Serbian physicist and physica . . . .