JC

John Campbell

Microsoft: 68 patents #165 of 40,388Top 1%
SP Spectra-Physics: 3 patents #43 of 257Top 20%
HI Hill-Rom: 1 patents #141 of 254Top 60%
📍 Renton, WA: #3 of 1,385 inventorsTop 1%
🗺 Washington: #440 of 76,902 inventorsTop 1%
Overall (All Time): #22,715 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 76–80 of 80 patents

Patent #TitleCo-InventorsDate
5457643 Pocket electronic data retrieval device allowing access to compressed data on a memory chip with unique interchangeable chip carrier John Vahey, Gerald van Mourik, Jonathon M. Schmidt 1995-10-10
D345620 Novelty oil lamp 1994-03-29
4861973 Optical scan pattern generating arrangement for a laser scanner Ronald A. Hellekson, Jorge L. Acosta 1989-08-29
4799164 Shallow bar code scanner Ronald A. Hellekson, Jorge L. Acosta 1989-01-17
4442524 Multiple lever apparatus for positioning an optical element Dennis Reeder, Keith J. Kasunic, Lee H. Laiterman 1984-04-10