RP

Richard Porterfield

CO Comcast: 7 patents #572 of 4,447Top 15%
DF Delaware Capital Formation: 1 patents #262 of 626Top 45%
Overall (All Time): #563,606 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10697585 Fluid dispensing apparatus for dispensing oil or grease 2020-06-30
RE35180 High frequency thermode driven device employing one-turn-secondary transformers Eldred H. Paufve 1996-03-19
5068509 High frequency thermode driven device employing one-turn-secondary transformers Eldred H. Paufve 1991-11-26
5051555 Hot-bar suspension system Thomas M. Alunni, Frank Ksionzyk, Michael D. Snyder 1991-09-24
4887351 Pick and place nozzle with concentric grooves Douglas A. Biesecker 1989-12-19
4838452 Shutter system for electrical component supply tape feeder Daniel Hamilton, James R. Spowart 1989-06-13
4769904 Method and apparatus for handling leaded and leadless surface mountable components Stanley Janisiewicz, Weibley J. Dean, Douglas A. Biesecker, Steven Pert 1988-09-13
4735341 Feeder for electrical component supply tapes Daniel Lee Hamilton, James R. Spowart 1988-04-05
4543705 Axial-lead component sequencing and inserting apparatus Henry J. Soth, Douglas A. Biesecker 1985-10-01