4 Patents
#580 in Wilmington, DE
#811 in Delaware
#59,078 in US
Sf Investments, Inc.
Forward Citations = 6
5 inventors:
Wilmington, DE, United States of America
5 inventors (with patents filed for the assignee):
Delbert W Rexwinkle (2 out of 2 patents)
John L Ross, Jr (2 out of 2 patents)
Russell Martin (1 out of 1 patent)
4. Michael Baker (1 out of 17 patents)
5. Rogers Drake (1 out of 2 patents)
4 patents:
#580 in Wilmington, DE
#811 in Delaware
#59,078 in US
5 inventors: