IP Library › Granted Patent US 6,421,880
Granted Patent Utility
US 6,421,880 · App. 09/501,343

Rock drill handle

Inventors: Kamlesh Prajapati, Petrus Albertus Jozef Hes
Patented Case View Patent ↗
Granted: Jul 23, 2002 Filed: Feb 9, 2000
Inventors
Kamlesh Prajapati
Petrus Albertus Jozef Hes

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Quick Facts
Patent No.
US 6,421,880
App. No.
09/501,343
Filed
2000-02-09
Granted
2002-07-23
Kind
B1