H.B. ZACHRY COMPANY
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 05, 1987 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 93 Total Citation Count
- Dec 04, 1978 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
| Upgrade to the Professional Level to View Top Patents for this Owner. Learn More |
Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4542940 Method and apparatus for cutting a trench through rock-like materialExpiredDec 13, 79Sep 24, 85[E21C]
Top Inventors for This Owner
| Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More |
We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.