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John E. Longenderfer — 4 Patents

LCLutron Electronics Co.: 4 patents #181 of 433Top 45%
Orefield, PA: #31 of 99 inventorsTop 35%
Pennsylvania: #19,360 of 74,527 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John E. Longenderfer has been granted 4 US patents while listed as an inventor at Lutron Electronics Co.. The first was granted in 1985 and the most recent in October 1994. John E. Longenderfer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John E. Longenderfer in Orefield, PA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5359231 Wallbox-mountable switch and dimmer Woodie C. Flowers, James R. Graybill, Jr., Elliot G. Jacoby, Joel S. Spira 1994-10-25
5262678 Wallbox-mountable switch and dimmer Woodie C. Flowers, James R. Graybill, Jr., Elliot G. Jacoby, Joel S. Spira 1993-11-16
4745351 Multiple location dimming system Michael J. Rowen, Stephen J. Yuhasz 1988-05-17
4558262 Load switching arrangement for gas discharge lamp circuit David G. Luchaco, Dennis Capewell 1985-12-10