Sarah L. Cogswell

Follow

Person

Marathon, FL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flag device such as a dive flag device and floats for use therewith
- Patent number 4,796,553
- Issue date Jan 10, 1989
- Sarah L. Cogswell
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS