David B. Olsen

Follow

Person

Dearborn, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Portable sheet bending brake
- Patent number 5,353,620
- Issue date Oct 11, 1994
- Tapco Products Company, Inc.
- David B. Olsen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Shingle ridge cap cutter
- Patent number 4,951,540
- Issue date Aug 28, 1990
- Tapco Products Company, Inc.
- James Cross
- B26 - HAND CUTTING TOOLS CUTTING SEVERING