Company Badge
USPTO Data Jan 1 1976 - Sep 29 2026
2 Patents
#1,541 in Houston, TX
#6,293 in Texas
#94,730 in US
Penreco
Forward Citations = 45
4 inventors:
Houston, TX, United States of America
Penreco
CIPO Patents = 2
EPO Patents = 2
Trademarks = 1
Forward Citations = 45
Loading Chart...
Loading Chart...
4 inventors (with patents filed for the assignee):
Richard L Johnson (1 out of 38 patents)
Wei Song (1 out of 10 patents)
S Gina Butuc (1 out of 1 patent)
4. David Elliott, Iii (1 out of 1 patent)
5. Steluta Gina Butuc (2 patents)
6. David S Morrison (9 patents)
7. Robert H Ray (2 patents)
8. Lin Lu (1 patent)
2 patents:
Please report any incorrect information to [email protected]
2 patents (CIPO):
Please report any incorrect information to [email protected]
2 patents (EPO):
Please report any incorrect information to [email protected]