Home › Inventors › Norman P. Gammon

Norman P. Gammon

San Francisco, CA: #14,272 of 26,999 inventorsTop 55%

California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,342,488 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4662078	Construction string reel	Phillip R. Gammon	1987-05-05
4461091	Plumb bob	—	1984-07-24