Helen E. Pearson

Follow

Person

Derbyshire, GB

People

Patents Applicationslast 30 patents

Information Patent Application
LOOSE ABRASIVE BODIES AND METHOD OF ABRADING A WORKPIECE USING THE...
- Publication number 20230085096
- Publication date Mar 16, 2023
- 3M Innovative Properties Company
- Polly H. R. Keen
- B24 - GRINDING POLISHING
Information Patent Application
METHOD OF MODIFYING A SURFACE OF A WORKPIECE
- Publication number 20220331930
- Publication date Oct 20, 2022
- 3M Innovative Properties Company
- Polly H. R. Keen
- B24 - GRINDING POLISHING