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Frederick W. John

Santa Monica, CA: #2,220 of 3,628 inventorsTop 65%

California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #4,091,746 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4274225	Model with two-pole motor actuated siren and flashing lights	Robert J. Knauff, David Fisher, Kenneth Douglas Johnson, Darrell B. Zipp	1981-06-23