DR

Darrell Robinson

EI Ekstrom Industries: 58 patents #1 of 22Top 5%
📍 Milford, MI: #2 of 501 inventorsTop 1%
🗺 Michigan: #610 of 86,293 inventorsTop 1%
Overall (All Time): #38,220 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
5385486 Watthour meter socket adapter with additional plug-in terminal capability Michael E. Lewis, Karl R. Loehr, Allen V. Pruchs 1995-01-31
5361026 Load indicating socket tester Allen V. Pruehs 1994-11-01
D349686 Temporary metered electrical power watthour meter socket adapter Allen V. Pruehs 1994-08-16
5207595 Watthour meter socket adapter with lockable terminal cover and sealing ring Robert O. Learmont, Albert K. Langdon, Allen V. Pruehs, Robert Goozen 1993-05-04
5033973 Service disconnect and meter storage adapter Allen V. Pruehs, Robert O. Learmont, Robert Goozen, Michael E. Lewis 1991-07-23
5006076 Bladed meter socket cover John T. Shincovich 1991-04-09
4977482 Watthour meter socket adapter with interface connection Albert K. Langdon, Robert O. Learmont, Robert Goozen, Michael E. Lewis, John Williams +2 more 1990-12-11
4934747 Electric meter socket sealing ring Albert K. Langdon, Peter Farbaniec, Louis Mattos, Jr., Michael E. Lewis 1990-06-19
4622753 Electric meter socket repair kit and template for use therewith David W. Jones, Albert K. Langdon, Allen V. Pruehs 1986-11-18
4323294 Meter socket cover assembly 1982-04-06
4311354 Meter disconnect adaptor John Curtis Bell 1982-01-19