U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.

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P » Pennock - PernerDropdown » Perander, Michael Stig Folke - Percebois, Serge Dropdown
Perander, Michael Stig FolkePerander, RobertPerandi, Aado J. (2)PERÄNEN, JOHANPerani, ClaudioPerani, GiuseppePerani, JeromePERANI, MICHAELPerani, Michael J.Perani, Piero Alberto BrunoPeranich, LarryPeranich, Larry S.Peraniitty, MarkkuPeranio, Anthony (2)Peransin-Delage, CecilePeranto, Juha (2)Perantoni, Alan O.Perantoni, John C.Perantonis, StavrosPerara, Thomas E.Perard, BrunoPerard, Jean-Claude V.Perard, SébastienPerarnau Ramos, FrancescPERARNAU RAMOS, FrancescPeraro, James S.Peraro, MassimoPerä-Rouhu, Yrjö J.Perassinoto, Nelson L.Perassinoto, Nelsou LuisPerasso, Aldo (2)Perasso, GregoryPerasso, HerbPerata, Paolo
Peratello, AndreaPeratello, Stefano (3)Peratelo, StefanoPerathoner, DominiquePERA-TITUS, MARCPeratoner, Sergio (2)Peraud, Jean-Claude (3)Peraudeau, AureliePerault, ClaudePerault, Joseph A. (2)Peraus, Gisela (4)Peravali, RavindraPeray, SebastienPeraza, Alfred H.Peraza, DavidPeraza, Jorge ArmandoPerazolo, Marcelo (2)Perazza, Justin J. (2)Perazzi, Daniele (2)Perazzi, EdgarPerazzo, JohnPerazzo, John R. (2)Perazzo, John S.Perazzo, LuigiPerazzo, Luis R. C.Perazzo, Nicholas J. (5)Perazzo, Thomas M. (4)Perazzo, Thomas MichaelPerazzoli, Jr., Frank L.Perazzoli, Jr., Frank LouisPerazzoli, Sr., Frank L.Perazzolo, Eugenio (2)Perazzolo, GuiseppePerazzolo, Remigio
Perazzoni, Pierluigi (2)Perbal, Albert C.Perbal, BernardPerbal, by Martha LouisePerbal, deceased, Albert C.Perbellini, Alberto (3)Perberschlager, Alois (2)Perbet, DanielPerbet, GerardPerbet, Jean N. (3)Perbet, Jean Noel (2)Perbet, Jean-Noel (5)Perbet, Jean-NoëlPERBET, Jean-NoëLPerbix, Clarence H.Perbix, Kenneth E.Perbix, Thomas H.Perboni, Alcide (4)Perboni, MarioPerbos, Jean-LucPerbost, Clotilde S. (2)Perbost, Michael G. M. (2)Perbost, MichelPERBOST, MICHELPerbost, Michel G MPerbost, Michel G. M. (2)Perc, SenkaPERC, StankaPercarpio, Edward P. (2)Percarpio, Peter E.Percebois, Alain (4)Percebois, Serge (2)
 
 
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