JM

John M. Macmillan

CO Conrac: 2 patents #1 of 8Top 15%
Overall (All Time): #2,371,616 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D260498 Smoke detector housing Hilario Costa 1981-09-01
4238679 Dual-chamber ionization smoke detector assembly Hilario Costa 1980-12-09