James W. Groff

California: #1,105 of 6,198 inventorsTop 20%

Overall (1982): #56,330 of 81,411Top 70%

1 Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4346374	Classroom noise alarm	—	1982-08-24