William K Hull
Inventor
Stats
- 5 US patents issued
- 5 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 5 US Patents Issued
- 5 US Applications Filed
- 31 Total Citation Count
- Dec 3, 1999 Most Recent Filing
- Apr 20, 1994 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| RFR INDUSTRIES, INC | 1
1 | 1994
1995 |
Inventor Addresses
| Address | Duration |
|---|---|
| 1705 Jamestown, Ennis, TX 75119 | Aug 12, 97 - Dec 22, 98 |
| 645 Chestnut Ave. #204, Long Beach, CA 90802 | Jul 16, 96 - Nov 26, 96 |
| P.O. Box 8137, Ennis, TX 75120 | Aug 27, 02 - Aug 27, 02 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E01B: | PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS | 4 |
| E01C: | CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6439470 | 2002 | Prefabricated embedded railway track system with removable inserts | 4 |
| 5850970 | 1998 | Prefabricated embedded railway track system | 9 |
| 5655711 | 1997 | Prefabricated embedded railway track system | 15 |
| 5577662 | 1996 | Embedded railway track system | 8 |
| 5535947 | 1996 | Embedded railway track system | 15 |
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