David B. Speer

Follow

Person

Winnetka, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Knurled fastener with cutting edges and removable head
- Patent number 6,872,042
- Issue date Mar 29, 2005
- Illinois Tool Works Inc.
- Cheryl L. Panasik
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Knurled fastener with cutting edges and removable head
- Publication number 20040223830
- Publication date Nov 11, 2004
- Cheryl L. Panasik
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...