Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5720319 | Cast in joint of aluminum tailspout and stainless steel exhaust pipe | Ralph W. Smith, Lloyd Charles Kendall, David Lynn Penfield, Robert James Ezze | 1998-02-24 |
JL
Joel Ardon Litchfield
Overall (All Time): #3,676,808 of 4,157,543Top 90%
1
Patents All Time