William E. Newcomb

NO Norton: 1 patents #164 of 343Top 50%

SN Siebe North: 1 patents #3 of 4Top 75%

Overall (All Time): #2,326,092 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D310585	Protective cap for a respirator's replaceable filter	—	1990-09-11
4347631	Ear muff accessory for safety hard hat	—	1982-09-07