Patents Assigned to Arthur R. Bergstresser, Sr. - Justia Patents Search

Patents Assigned to Arthur R. Bergstresser, Sr.

Portable instructional display device for welding or the like

Patent number: D321208

Type: Grant

Filed: October 13, 1988

Date of Patent: October 29, 1991

Assignees: Arthur R. Bergstresser, Sr., Edward Craig

Inventors: Arthur R. Bergstresser, Sr., Edward Craig