JC

Jack P. Chang

IBM: 2 patents #32,839 of 70,183Top 50%
OG Obrist Closures Switzerland Gmbh: 1 patents #40 of 72Top 60%
Overall (All Time): #1,312,177 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12195258 Tamper-evident pouch closure Fabrice Guerin, Frederic Chave, Jerome Mezerette 2025-01-14
4429987 Early fuser roll closure with reduced force Marc Steinbrecher 1984-02-07
4253392 Hollow fuser roll with variable taper Fred Young Brandon, William D. K. Clark, Eugene G. Stahlberg 1981-03-03